RECEPTION, RESPONSE & CO-ORDINATION

Meaning of stimulus, response and irritability. Tactic responses.

By the end of the lesson, the learner should be able to:




Define of stimulus, response and irritability.
Explain the need for sensitivity and response.
Identify types of tactics responses.

Brain storming;
Exposition;
Group experiments-chemotaxis in termites;
Discussion.

Brad crumbs, termites, dry sand, moth balls.

KLB BK IV. PP 73-74

RECEPTION, RESPONSE & CO-ORDINATION

Tropism and types of tropism.
Nastic responses.
Role of auxins in tropisms.

By the end of the lesson, the learner should be able to:
Identify types of tropism.
State differences between tropisms and taxes.
Identify types of nastic responses
Explain the role of auxins in tropisms.

Examine previous plant set ?ups on response to light, gravity;
Probing questions and discussion.
Q/A and discussion.
Examine previous plant set ?ups on response to light, gravity; contact;
Probing questions and discussion.

Seedlings, klinostat, corked beaker.
text book

KLB BK IV. PP 74-78
KLB BK IV. PP 80-83

RECEPTION, RESPONSE & CO-ORDINATION

Response and Co-ordination in animals. The nervous system.
Types of neurons. The brain.

By the end of the lesson, the learner should be able to:
State components of the nervous system.
Describe the structure of nerve cells.
Identify types of neurons.
Describe structure of the human brain.

Descriptive and expository approaches.

Illustrative diagrams.

KLB BK IV. PP 84-85

RECEPTION, RESPONSE & CO-ORDINATION

Reflex actions.

By the end of the lesson, the learner should be able to:
Differentiate between simple and conditioned reflex actions.

Illustrate a simple reflex arc.
Probing questions on differences between simple and conditioned reflex actions.

Illustrative diagrams.

KLB BK IV. PP 88-90

RECEPTION, RESPONSE & CO-ORDINATION

Transmission of a nerve impulse.
The endocrine system.

By the end of the lesson, the learner should be able to:
Describe the transmission of a nerve impulse.
Identify components of endocrine system.
Compare endocrine system. With nervous system.

Descriptive and expository approaches.
Discussion; tabulate the differences.

Illustrative diagrams.

KLB BK IV. PP 90-93

RECEPTION, RESPONSE & CO-ORDINATION

The mammalian eye.
Accommodation of the eye.
Defects of vision and their correction.

By the end of the lesson, the learner should be able to:
Identify major parts of the human eye.
Explain image formation and interpretation in the eye.
Explain the role of ciliary muscles in accommodation of the eye.
Identify defects of vision.
Explain correction of vision defects.

Brain storming;
Discussion with probing questions.
Discussion with probing questions,
Drawing illustrative diagrams.
Detailed discussion with probing questions;

Chart- the human eye.
Chart- focusing far and near points.
Illustrative diagrams.

KLB BK IV. PP 93-100
KLB BK IV. PP 100-1

RECEPTION, RESPONSE & CO-ORDINATION

The human ear.
Hearing.

By the end of the lesson, the learner should be able to:
Identify major parts of the human ear.
Explain how the ear perceives sound.

Descriptive and expository approaches.
Drawn diagrams.

Illustrative diagrams.

KLB BK IV. PP 104-5

RECEPTION, RESPONSE & CO-ORDINATION

Body balance and posture.
Defects of the ear.

By the end of the lesson, the learner should be able to:
Explain how the ear maintains body balance and posture.
Identify some defects of the ear.

Descriptive and expository approaches.

text book

KLB BK IV. PP 107-8