Living Things and their Environment

Nutrition in animals - Human digestive system

By the end of the lesson, the learner should be able to:
- Identify the parts of the human digestive system
- Draw and label a diagram of the human alimentary canal
- Show interest in how the human body processes food

In groups, learners are guided to:
- Study a chart of the human alimentary canal and identify its parts
- Draw and label a diagram of the digestive system
- Search for information on the parts and their roles using digital resources

How is the human digestive system structured to process food?

- Comprehensive Integrated Science Learner's Book pg. 76
- Chart of human alimentary canal
- Model of the digestive system
- Digital resources

- Observation - Drawings - Oral questions

Living Things and their Environment

Nutrition in animals - Human digestive system

By the end of the lesson, the learner should be able to:
- Identify the parts of the human digestive system
- Draw and label a diagram of the human alimentary canal
- Show interest in how the human body processes food

In groups, learners are guided to:
- Study a chart of the human alimentary canal and identify its parts
- Draw and label a diagram of the digestive system
- Search for information on the parts and their roles using digital resources

How is the human digestive system structured to process food?

- Comprehensive Integrated Science Learner's Book pg. 76
- Chart of human alimentary canal
- Model of the digestive system
- Digital resources

- Observation - Drawings - Oral questions

Living Things and their Environment

Nutrition in animals - Digestion in the mouth and stomach

By the end of the lesson, the learner should be able to:
- Describe mechanical and chemical digestion in the mouth
- Explain the role of enzymes in digestion in the stomach
- Appreciate how the body begins to break down food

In groups, learners are guided to:
- Search for information on mechanical and chemical digestion in the mouth
- Discuss the role of saliva and teeth in the mouth
- Explain how the stomach processes food including the role of gastric juices and enzymes

How is food digested in the mouth and stomach?

- Comprehensive Integrated Science Learner's Book pg. 76
- Digital resources
- Charts showing digestion process
- Reference books

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Digestion in the small intestine

By the end of the lesson, the learner should be able to:
- Describe digestion in the duodenum and ileum
- Explain the role of bile from the liver and pancreatic juice in digestion
- Show interest in the final stages of food breakdown

In groups, learners are guided to:
- Discuss the role of bile juice and pancreatic juice in the duodenum
- Explain the breakdown of fats, proteins, and carbohydrates in the small intestine
- List the end products of digestion and present findings

How is food completely digested in the small intestine?

- Comprehensive Integrated Science Learner's Book pg. 76
- Digital resources
- Charts showing small intestine digestion

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Digestion in the small intestine

By the end of the lesson, the learner should be able to:
- Describe digestion in the duodenum and ileum
- Explain the role of bile from the liver and pancreatic juice in digestion
- Show interest in the final stages of food breakdown

In groups, learners are guided to:
- Discuss the role of bile juice and pancreatic juice in the duodenum
- Explain the breakdown of fats, proteins, and carbohydrates in the small intestine
- List the end products of digestion and present findings

How is food completely digested in the small intestine?

- Comprehensive Integrated Science Learner's Book pg. 76
- Digital resources
- Charts showing small intestine digestion

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Absorption, assimilation, and egestion

By the end of the lesson, the learner should be able to:
- Describe the absorption of digested food in the small intestine
- Explain assimilation of nutrients in the body and the process of egestion
- Appreciate the complete journey of food through the human body

In groups, learners are guided to:
- Discuss how villi in the small intestine increase the surface area for absorption
- Explain how absorbed nutrients are assimilated in the body
- Describe the fate of indigestible food and the importance of egestion

How are digested nutrients absorbed and used by the body, and what happens to undigested food?

- Comprehensive Integrated Science Learner's Book pg. 76
- Digital resources
- Charts showing absorption and egestion

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Nutrition in animals - Importance of modes of nutrition

By the end of the lesson, the learner should be able to:
- Discuss the importance of various modes of nutrition in animals
- Explain the role of different modes of nutrition in maintaining ecosystem balance
- Show interest in the nutritional diversity among organisms

In groups, learners are guided to:
- Read and discuss information on the roles of parasitic, symbiotic, saprophytic and holozoic nutrition
- Discuss how each mode contributes to the functioning of the ecosystem
- Present findings to class

Why are different modes of nutrition important for the survival of organisms and the balance of the ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 66
- Science textbooks
- Digital resources

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Importance of modes of nutrition

By the end of the lesson, the learner should be able to:
- Discuss the importance of various modes of nutrition in animals
- Explain the role of different modes of nutrition in maintaining ecosystem balance
- Show interest in the nutritional diversity among organisms

In groups, learners are guided to:
- Read and discuss information on the roles of parasitic, symbiotic, saprophytic and holozoic nutrition
- Discuss how each mode contributes to the functioning of the ecosystem
- Present findings to class

Why are different modes of nutrition important for the survival of organisms and the balance of the ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 66
- Science textbooks
- Digital resources

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Nutrition in animals - Assessment

By the end of the lesson, the learner should be able to:
- Answer assessment questions on nutrition in animals
- Apply knowledge to explain animal nutrition and digestion
- Show confidence in their understanding of the sub-strand

In groups, learners are guided to:
- Attempt written assessment questions on modes of nutrition, dentition, and digestion
- Discuss solutions and review key concepts
- Reflect on areas needing improvement

How does understanding nutrition in animals explain how food is obtained and processed?

- Comprehensive Integrated Science Learner's Book pg. 66–79
- Assessment questions
- Previous notes

- Written test - Peer assessment - Oral questions

Living Things and their Environment

Reproduction in plants - Introduction and parts of a flower

By the end of the lesson, the learner should be able to:
- Identify and observe different parts of a flower
- Draw and label parts of a flower
- Show interest in the role of flowers in plant reproduction

In groups, learners are guided to:
- Take a walk in the school compound to collect flower specimens
- Observe, compare, and describe flowers collected
- Cut flowers longitudinally and use Figure 2.35 to identify all parts
- Draw and label the parts of a flower

What are the different parts of a flower and how are they arranged?

- Comprehensive Integrated Science Learner's Book pg. 81
- Flower specimens
- Hand lens
- Charts showing flower parts
- Razor blade/scalpel

- Observation - Drawings - Oral questions

Living Things and their Environment

Reproduction in plants - Functions of parts of a flower

By the end of the lesson, the learner should be able to:
- Explain the functions of different parts of a flower
- Distinguish between the vegetative and reproductive parts of a flower
- Appreciate the relationship between flower structure and function

In groups, learners are guided to:
- Use digital and print media to identify vegetative and reproductive parts of a flower
- Match each flower part to its correct function using Activity 2b descriptions
- Group parts based on their roles and present to classmates

What is the function of each part of a flower in reproduction?

- Comprehensive Integrated Science Learner's Book pg. 81
- Charts showing flower parts
- Flower specimens
- Digital resources

- Oral questions - Written exercises - Matching activities

Living Things and their Environment

Reproduction in plants - Functions of parts of a flower

By the end of the lesson, the learner should be able to:
- Explain the functions of different parts of a flower
- Distinguish between the vegetative and reproductive parts of a flower
- Appreciate the relationship between flower structure and function

In groups, learners are guided to:
- Use digital and print media to identify vegetative and reproductive parts of a flower
- Match each flower part to its correct function using Activity 2b descriptions
- Group parts based on their roles and present to classmates

What is the function of each part of a flower in reproduction?

- Comprehensive Integrated Science Learner's Book pg. 81
- Charts showing flower parts
- Flower specimens
- Digital resources

- Oral questions - Written exercises - Matching activities

Living Things and their Environment

Reproduction in plants - Types of pollination

By the end of the lesson, the learner should be able to:
- Differentiate between self-pollination and cross-pollination
- Draw a table showing differences between the two types
- Appreciate the diversity of pollination strategies in plants

In groups, learners are guided to:
- Use print and digital media to search for information on types and process of pollination
- Discuss differences between self-pollination and cross-pollination
- Draw a comparison table and present findings to class

What is the difference between self-pollination and cross-pollination?

- Comprehensive Integrated Science Learner's Book pg. 86
- Charts showing types of pollination
- Digital resources
- Reference books

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Reproduction in plants - Types of pollination

By the end of the lesson, the learner should be able to:
- Differentiate between self-pollination and cross-pollination
- Draw a table showing differences between the two types
- Appreciate the diversity of pollination strategies in plants

In groups, learners are guided to:
- Use print and digital media to search for information on types and process of pollination
- Discuss differences between self-pollination and cross-pollination
- Draw a comparison table and present findings to class

What is the difference between self-pollination and cross-pollination?

- Comprehensive Integrated Science Learner's Book pg. 86
- Charts showing types of pollination
- Digital resources
- Reference books

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Reproduction in plants - Adaptations to insect pollination

By the end of the lesson, the learner should be able to:
- Identify adaptations of flowers to insect pollination
- Explain how each adaptation aids the process of pollination
- Show interest in the relationship between flowering plants and insects

In groups, learners are guided to:
- Collect insect-pollinated flowers and observe their features using a hand lens
- Identify adaptations such as colour, scent, nectar, sticky pollen, and petal shape
- Draw and label an insect-pollinated flower
- Present observations to classmates

How are flowers adapted to attract insects for pollination?

- Comprehensive Integrated Science Learner's Book pg. 86
- Insect-pollinated flowers
- Hand lens
- Charts on insect pollination

- Observation - Drawings - Oral questions - Written report

Living Things and their Environment

Reproduction in plants - Adaptations to wind pollination

By the end of the lesson, the learner should be able to:
- Identify adaptations of flowers to wind pollination
- Compare adaptations of wind-pollinated and insect-pollinated flowers
- Appreciate how environmental factors influence flower structure

In groups, learners are guided to:
- Collect wind-pollinated flowers such as grass and observe their features
- Identify adaptations such as feathery stigma, light pollen, and lack of petals
- Draw and label a wind-pollinated flower
- Compare with insect-pollinated flowers using a table

How are the features of wind-pollinated flowers different from those of insect-pollinated flowers?

- Comprehensive Integrated Science Learner's Book pg. 86
- Wind-pollinated flowers (e.g. grass)
- Charts showing wind pollination
- Hand lens

- Observation - Drawings - Oral questions - Written report

Living Things and their Environment

Reproduction in plants - Adaptations to wind pollination

By the end of the lesson, the learner should be able to:
- Identify adaptations of flowers to wind pollination
- Compare adaptations of wind-pollinated and insect-pollinated flowers
- Appreciate how environmental factors influence flower structure

In groups, learners are guided to:
- Collect wind-pollinated flowers such as grass and observe their features
- Identify adaptations such as feathery stigma, light pollen, and lack of petals
- Draw and label a wind-pollinated flower
- Compare with insect-pollinated flowers using a table

How are the features of wind-pollinated flowers different from those of insect-pollinated flowers?

- Comprehensive Integrated Science Learner's Book pg. 86
- Wind-pollinated flowers (e.g. grass)
- Charts showing wind pollination
- Hand lens

- Observation - Drawings - Oral questions - Written report

Living Things and their Environment

Reproduction in plants - Effects of agrochemicals on pollination

By the end of the lesson, the learner should be able to:
- Discuss the effects of agrochemicals on pollinators
- Explain how reduction of pollinators impacts plant reproduction and food production
- Show concern for environmental conservation

In groups, learners are guided to:
- Discuss how pesticides harm pollinators such as bees and butterflies
- Research and discuss how loss of pollinators impacts crop yields and biodiversity
- Present findings to class using magazines and digital resources

How do agrochemicals affect pollinators and what impact does this have on plant reproduction?

- Comprehensive Integrated Science Learner's Book pg. 86
- Science magazines
- Digital resources
- Reference books

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Reproduction in plants - Fertilisation in flowering plants

By the end of the lesson, the learner should be able to:
- Describe the process of fertilisation in flowering plants
- Explain the growth of the pollen tube and fusion of gametes
- Appreciate the complexity of fertilisation in plant reproduction

In groups, learners are guided to:
- Use digital media to search for videos or pictures showing fertilisation in flowering plants
- Discuss the stages of fertilisation from pollen landing on stigma to gamete fusion
- Draw a diagram illustrating the fertilisation process and write short notes

How does fertilisation occur in flowering plants after pollination?

- Comprehensive Integrated Science Learner's Book pg. 91
- Charts showing fertilisation stages
- Digital resources
- Reference books

- Oral questions - Written exercises - Diagrams

Living Things and their Environment

Reproduction in plants - Fertilisation in flowering plants

By the end of the lesson, the learner should be able to:
- Describe the process of fertilisation in flowering plants
- Explain the growth of the pollen tube and fusion of gametes
- Appreciate the complexity of fertilisation in plant reproduction

In groups, learners are guided to:
- Use digital media to search for videos or pictures showing fertilisation in flowering plants
- Discuss the stages of fertilisation from pollen landing on stigma to gamete fusion
- Draw a diagram illustrating the fertilisation process and write short notes

How does fertilisation occur in flowering plants after pollination?

- Comprehensive Integrated Science Learner's Book pg. 91
- Charts showing fertilisation stages
- Digital resources
- Reference books

- Oral questions - Written exercises - Diagrams

Living Things and their Environment

Reproduction in plants - Seed and fruit formation

By the end of the lesson, the learner should be able to:
- Describe the formation of seeds and fruits after fertilisation
- Explain the changes that occur in flower parts after fertilisation
- Show interest in how a fertilised ovule develops into a seed and ovary into a fruit

In groups, learners are guided to:
- Study charts and diagrams showing post-fertilisation changes in a flower
- Discuss how the ovule develops into a seed and the ovary into a fruit
- Draw a diagram showing the four stages from fertilisation to seed and fruit formation
- Present findings to class

How do seeds and fruits develop from a fertilised flower?

- Comprehensive Integrated Science Learner's Book pg. 91
- Charts showing fruit and seed development
- Fruit specimens
- Digital resources

- Oral questions - Written exercises - Drawings

Living Things and their Environment

Reproduction in plants - Modes of fruit and seed dispersal

By the end of the lesson, the learner should be able to:
- Categorise fruits and seeds based on their mode of dispersal
- Identify adaptive features that aid in each mode of dispersal
- Appreciate how adaptations improve survival chances of plant species

In groups, learners are guided to:
- Collect safe wild fruits and seeds from the school locality
- Observe their features and categorise them by mode of dispersal: wind, water, animals, and self-dispersal
- Draw pictures of fruits and seeds alongside their adaptive features for dispersal

How are fruits and seeds adapted for dispersal and why is dispersal important for plants?

- Comprehensive Integrated Science Learner's Book pg. 94
- Various fruit and seed specimens
- Charts showing dispersal methods
- Hand lens

- Observation - Classification activities - Oral questions - Written report

Living Things and their Environment

Reproduction in plants - Modes of fruit and seed dispersal

By the end of the lesson, the learner should be able to:
- Categorise fruits and seeds based on their mode of dispersal
- Identify adaptive features that aid in each mode of dispersal
- Appreciate how adaptations improve survival chances of plant species

In groups, learners are guided to:
- Collect safe wild fruits and seeds from the school locality
- Observe their features and categorise them by mode of dispersal: wind, water, animals, and self-dispersal
- Draw pictures of fruits and seeds alongside their adaptive features for dispersal

How are fruits and seeds adapted for dispersal and why is dispersal important for plants?

- Comprehensive Integrated Science Learner's Book pg. 94
- Various fruit and seed specimens
- Charts showing dispersal methods
- Hand lens

- Observation - Classification activities - Oral questions - Written report

Living Things and their Environment

Reproduction in plants - Importance of fruit and seed dispersal

By the end of the lesson, the learner should be able to:
- Discuss the benefits of fruit and seed dispersal to plant survival
- Explain how dispersal reduces competition for resources among plants
- Show interest in the relationship between dispersal and plant distribution

In groups, learners are guided to:
- Observe plants in the school compound and compare plants with seedlings near and far from the parent plant
- Discuss benefits of dispersal including reducing competition for space, light, and nutrients
- Relate dispersal to colonisation of new habitats and present ideas to class

Why is it important for fruits and seeds to be dispersed away from the parent plant?

- Comprehensive Integrated Science Learner's Book pg. 94
- Plants in school compound
- Pictures of seedling distribution
- Digital resources

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

Reproduction in plants - Role of flowers in nature

By the end of the lesson, the learner should be able to:
- Discuss the ecological and economic roles of flowers in nature
- Explain how flowers support reproduction, food chains, and biodiversity
- Appreciate the significance of flowers to humans and other living things

In groups, learners are guided to:
- Search for information on the role of flowers in nature using print and digital media
- Discuss how flowers support plant reproduction, attract pollinators, and provide food for animals
- List benefits of flowers to humans and animals and present to class

What roles do flowers play in nature beyond their role in reproduction?

- Comprehensive Integrated Science Learner's Book pg. 97
- Digital resources
- Flower specimens
- Reference books

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

Reproduction in plants - Assessment

By the end of the lesson, the learner should be able to:
- Attempt assessment questions on reproduction in plants
- Apply knowledge to explain pollination, fertilisation, and seed dispersal
- Show confidence in their understanding of plant reproduction

In groups, learners are guided to:
- Attempt written assessment questions on parts of a flower, pollination, fertilisation, and dispersal
- Discuss solutions and review key concepts
- Reflect on areas needing further study

How does understanding reproduction in plants explain how flowering plants maintain biodiversity?

- Comprehensive Integrated Science Learner's Book pg. 80–97
- Assessment questions
- Previous notes

- Written test - Peer assessment - Oral questions

Living Things and their Environment

Reproduction in plants - Assessment

By the end of the lesson, the learner should be able to:
- Attempt assessment questions on reproduction in plants
- Apply knowledge to explain pollination, fertilisation, and seed dispersal
- Show confidence in their understanding of plant reproduction

In groups, learners are guided to:
- Attempt written assessment questions on parts of a flower, pollination, fertilisation, and dispersal
- Discuss solutions and review key concepts
- Reflect on areas needing further study

How does understanding reproduction in plants explain how flowering plants maintain biodiversity?

- Comprehensive Integrated Science Learner's Book pg. 80–97
- Assessment questions
- Previous notes

- Written test - Peer assessment - Oral questions

Living Things and their Environment

Reproduction in plants - Project: Flower collection and dissection

By the end of the lesson, the learner should be able to:
- Collect, dissect, and present different types of flowers
- Demonstrate understanding of flower parts through a practical project
- Appreciate the diversity and beauty of flowering plants

In groups, learners are guided to:
- Collect a variety of flowers from the school compound or local environment
- Dissect the flowers and mount the parts for display
- Label and present each flower's parts to classmates with explanations

How do the structures of flowers differ between species and what can we learn from these differences?

- Comprehensive Integrated Science Learner's Book pg. 81–97
- Flower specimens
- Hand lens
- Razor blade
- Chart paper
- Glue

- Project work - Peer assessment - Oral presentation

Living Things and their Environment

Reproduction in plants - Project: Flower collection and dissection

By the end of the lesson, the learner should be able to:
- Collect, dissect, and present different types of flowers
- Demonstrate understanding of flower parts through a practical project
- Appreciate the diversity and beauty of flowering plants

In groups, learners are guided to:
- Collect a variety of flowers from the school compound or local environment
- Dissect the flowers and mount the parts for display
- Label and present each flower's parts to classmates with explanations

How do the structures of flowers differ between species and what can we learn from these differences?

- Comprehensive Integrated Science Learner's Book pg. 81–97
- Flower specimens
- Hand lens
- Razor blade
- Chart paper
- Glue

- Project work - Peer assessment - Oral presentation

Living Things and their Environment

Reproduction in plants - Consolidation: Pollination to dispersal

By the end of the lesson, the learner should be able to:
- Sequence the stages from pollination to seed and fruit dispersal
- Relate each stage to the next in a logical flow
- Show confidence in explaining the complete cycle of plant reproduction

In groups, learners are guided to:
- Review the full sequence from pollination through fertilisation, seed/fruit formation, to dispersal
- Create a flow diagram showing the stages of plant reproduction
- Discuss how each stage depends on the previous one
- Present flow diagrams to class

How do the stages of plant reproduction from pollination to dispersal form a complete cycle?

- Comprehensive Integrated Science Learner's Book pg. 80–97
- Previous notes
- Charts
- Manila paper
- Felt pens

- Drawings - Oral questions - Written exercises

Living Things and their Environment

The interdependence of life - Biotic components of the environment

By the end of the lesson, the learner should be able to:
- Identify and list biotic components of the environment
- Observe and describe interactions between living organisms
- Show interest in the role of living things in an ecosystem

In groups, learners are guided to:
- Take a nature walk in the school compound to identify living organisms
- List biotic components observed and describe their interactions
- Determine biotic components from pictures of ecosystems such as aquarium and potted plant

What are the biotic components of the environment and how do they interact?

- Comprehensive Integrated Science Learner's Book pg. 99
- School compound
- Digital resources
- Pictures of ecosystems

- Observation - Oral questions - Written exercises

Living Things and their Environment

The interdependence of life - Biotic components of the environment

By the end of the lesson, the learner should be able to:
- Identify and list biotic components of the environment
- Observe and describe interactions between living organisms
- Show interest in the role of living things in an ecosystem

In groups, learners are guided to:
- Take a nature walk in the school compound to identify living organisms
- List biotic components observed and describe their interactions
- Determine biotic components from pictures of ecosystems such as aquarium and potted plant

What are the biotic components of the environment and how do they interact?

- Comprehensive Integrated Science Learner's Book pg. 99
- School compound
- Digital resources
- Pictures of ecosystems

- Observation - Oral questions - Written exercises

Living Things and their Environment

The interdependence of life - Abiotic components of the environment

By the end of the lesson, the learner should be able to:
- Identify abiotic components of the environment
- Discuss effects of abiotic factors such as light, temperature, pH, and salinity on organisms
- Appreciate the role of non-living factors in supporting life

In groups, learners are guided to:
- Discuss effects of temperature, light, pH, humidity, and salinity on living organisms
- Study photographs of plants growing under different environmental conditions
- Compare plant growth under different abiotic conditions and make notes

How do non-living components of the environment affect the survival of living organisms?

- Comprehensive Integrated Science Learner's Book pg. 99
- Digital resources
- Photographs of plants in different environments
- Reference books

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

The interdependence of life - Effects of biotic components on organisms

By the end of the lesson, the learner should be able to:
- Explain the effects of biotic factors including predation, competition, and symbiosis
- Discuss parasitism, mutualism, and commensalism with examples
- Show interest in the complex relationships between living organisms

In groups, learners are guided to:
- Study pictures and scenarios showing predation, competition, parasitism, and mutualism
- Discuss examples such as lion-antelope, mosquito-human, and ox-pecker-buffalo
- Present findings on how each biotic relationship affects the organisms involved

How do biotic factors such as predation, competition, and symbiosis affect living organisms in an ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 99
- Science textbooks
- Digital resources
- Photographs of biotic interactions

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

The interdependence of life - Effects of biotic components on organisms

By the end of the lesson, the learner should be able to:
- Explain the effects of biotic factors including predation, competition, and symbiosis
- Discuss parasitism, mutualism, and commensalism with examples
- Show interest in the complex relationships between living organisms

In groups, learners are guided to:
- Study pictures and scenarios showing predation, competition, parasitism, and mutualism
- Discuss examples such as lion-antelope, mosquito-human, and ox-pecker-buffalo
- Present findings on how each biotic relationship affects the organisms involved

How do biotic factors such as predation, competition, and symbiosis affect living organisms in an ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 99
- Science textbooks
- Digital resources
- Photographs of biotic interactions

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

The interdependence of life - Energy flow: Food chains

By the end of the lesson, the learner should be able to:
- Construct simple food chains from organisms in a local ecosystem
- Identify producers, consumers, and trophic levels in a food chain
- Show interest in how energy flows through an ecosystem

In groups, learners are guided to:
- Take a nature walk and identify organisms in the school neighbourhood
- Arrange identified organisms based on their feeding relationships
- Draw food chains using arrows to show direction of energy flow
- Identify trophic levels and discuss what would happen if one organism were removed

How does energy flow from one organism to another in a food chain?

- Comprehensive Integrated Science Learner's Book pg. 106
- School neighbourhood
- Charts showing food chains
- Manila paper
- Coloured pencils

- Observation - Drawings - Written exercises - Oral questions

Living Things and their Environment

The interdependence of life - Energy flow: Food webs

By the end of the lesson, the learner should be able to:
- Construct a food web by linking multiple food chains
- Explain how organisms can occupy more than one trophic level
- Appreciate the complexity and interdependence of energy flow in an ecosystem

In groups, learners are guided to:
- Study pictures of organisms at different trophic levels and draw arrows showing feeding relationships
- Construct multiple food chains and link them to form a food web
- Discuss what a food web reveals about the complexity of feeding relationships in nature

How does a food web show the interconnected feeding relationships in an ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 110
- Charts showing food webs
- Digital resources
- Manila paper
- Coloured pencils

- Drawings - Written exercises - Oral questions

Living Things and their Environment

The interdependence of life - Energy flow: Food webs

By the end of the lesson, the learner should be able to:
- Construct a food web by linking multiple food chains
- Explain how organisms can occupy more than one trophic level
- Appreciate the complexity and interdependence of energy flow in an ecosystem

In groups, learners are guided to:
- Study pictures of organisms at different trophic levels and draw arrows showing feeding relationships
- Construct multiple food chains and link them to form a food web
- Discuss what a food web reveals about the complexity of feeding relationships in nature

How does a food web show the interconnected feeding relationships in an ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 110
- Charts showing food webs
- Digital resources
- Manila paper
- Coloured pencils

- Drawings - Written exercises - Oral questions

Living Things and their Environment

The interdependence of life - Role of decomposers in an ecosystem

By the end of the lesson, the learner should be able to:
- Discuss the role of decomposers in breaking down organic matter in an ecosystem
- Explain how decomposers help recycle nutrients back into the soil
- Appreciate the importance of decomposers in maintaining ecosystem balance

In groups, learners are guided to:
- Study pictures of decomposition and identify organisms growing on decaying matter
- Discuss examples of decomposers such as bacteria and fungi
- Explain how decomposers return nutrients to the soil and their importance in element cycles
- Present findings to class

What role do decomposers play in an ecosystem and how do they help recycle nutrients?

- Comprehensive Integrated Science Learner's Book pg. 114
- Pictures of decomposition
- Digital resources
- Science textbooks

- Oral questions - Written exercises - Group discussions

Living Things and their Environment

The interdependence of life - Effect of human activities on the environment

By the end of the lesson, the learner should be able to:
- Identify human activities that affect the environment positively and negatively
- Explain the impact of deforestation, poaching, and introduction of invasive species
- Show concern for environmental conservation and sustainable living

In groups, learners are guided to:
- Brainstorm a list of human activities and their effects on the environment
- Search for information on deforestation, poaching, and pollution
- Categorise activities as positive or negative and discuss solutions to environmental problems
- Present findings to class

How do human activities affect the balance and biodiversity of ecosystems?

- Comprehensive Integrated Science Learner's Book pg. 113
- Charts showing human activities
- Digital resources
- Journals and photographs

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

The interdependence of life - Importance of interdependence

By the end of the lesson, the learner should be able to:
- Discuss the importance of interdependence between living and non-living components
- Explain how interdependence supports the stability and functioning of ecosystems
- Appreciate the significance of every organism in maintaining ecological balance

In groups, learners are guided to:
- Read and discuss information on the importance of interdependence in ecosystems
- Identify specific examples of how living and non-living components rely on each other
- Present findings and discuss consequences of disrupting interdependence

Why is interdependence between living and non-living components important for ecosystem stability?

- Comprehensive Integrated Science Learner's Book pg. 99
- Digital resources
- Science textbooks
- Reference books

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

The interdependence of life - Importance of interdependence

By the end of the lesson, the learner should be able to:
- Discuss the importance of interdependence between living and non-living components
- Explain how interdependence supports the stability and functioning of ecosystems
- Appreciate the significance of every organism in maintaining ecological balance

In groups, learners are guided to:
- Read and discuss information on the importance of interdependence in ecosystems
- Identify specific examples of how living and non-living components rely on each other
- Present findings and discuss consequences of disrupting interdependence

Why is interdependence between living and non-living components important for ecosystem stability?

- Comprehensive Integrated Science Learner's Book pg. 99
- Digital resources
- Science textbooks
- Reference books

- Oral questions - Written exercises - Group presentations

Living Things and their Environment

The interdependence of life - Review and summary

By the end of the lesson, the learner should be able to:
- Summarise key concepts on the interdependence of life
- Relate biotic and abiotic components to the functioning of ecosystems
- Show confidence in discussing ecological relationships

In groups, learners are guided to:
- Review key concepts on biotic and abiotic components, food chains, food webs, decomposers, and human activities
- Create a mind map or summary notes linking the key concepts
- Discuss any areas of difficulty and seek clarification

How do all the concepts on the interdependence of life relate to maintaining a balanced ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 99–115
- Previous notes
- Charts
- Manila paper

- Oral questions - Written exercises - Mind maps

Living Things and their Environment

The interdependence of life - Review and summary

By the end of the lesson, the learner should be able to:
- Summarise key concepts on the interdependence of life
- Relate biotic and abiotic components to the functioning of ecosystems
- Show confidence in discussing ecological relationships

In groups, learners are guided to:
- Review key concepts on biotic and abiotic components, food chains, food webs, decomposers, and human activities
- Create a mind map or summary notes linking the key concepts
- Discuss any areas of difficulty and seek clarification

How do all the concepts on the interdependence of life relate to maintaining a balanced ecosystem?

- Comprehensive Integrated Science Learner's Book pg. 99–115
- Previous notes
- Charts
- Manila paper

- Oral questions - Written exercises - Mind maps

Living Things and their Environment

The interdependence of life - Assessment

By the end of the lesson, the learner should be able to:
- Attempt assessment questions on the interdependence of life
- Apply knowledge to explain ecological interactions and ecosystem stability
- Show confidence in their understanding of the sub-strand

In groups, learners are guided to:
- Attempt written assessment questions on food chains, food webs, decomposers, and human activities
- Discuss solutions and review key concepts
- Reflect on areas requiring further attention

How does understanding the interdependence of life help explain the stability and functioning of ecosystems?

- Comprehensive Integrated Science Learner's Book pg. 99–115
- Assessment questions
- Previous notes

- Written test - Peer assessment - Oral questions