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.

By the end of the lesson, the learner should be able to:
Identify types of tropism.
State differences between tropisms and taxes.

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

Seedlings, klinostat, corked beaker.

KLB BK IV. PP 74-78

RECEPTION, RESPONSE & CO-ORDINATION

Nastic responses.

By the end of the lesson, the learner should be able to:
Identify types of nastic responses

Q/A and discussion.

text book

KLB BK IV. PP 78-80

RECEPTION, RESPONSE & CO-ORDINATION

Role of auxins in tropisms.

By the end of the lesson, the learner should be able to:
Explain the role of auxins in tropisms.

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

text book

KLB BK IV. PP 80-83

RECEPTION, RESPONSE & CO-ORDINATION

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

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




State components of the nervous system.
Describe the structure of nerve cells.
Differentiate between simple and conditioned reflex actions.

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

Illustrative diagrams.

KLB BK IV. PP 84-85
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.

Descriptive and expository approaches.

Illustrative diagrams.

KLB BK IV. PP 90-93

RECEPTION, RESPONSE & CO-ORDINATION

The mammalian eye.

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.

Brain storming;
Discussion with probing questions.

Chart- the human eye.

KLB BK IV. PP 93-100

RECEPTION, RESPONSE & CO-ORDINATION

Accommodation of the eye.

By the end of the lesson, the learner should be able to:
Explain the role of ciliary muscles in accommodation of the eye.

Discussion with probing questions,
Drawing illustrative diagrams.

Chart- focusing far and near points.

KLB BK IV. PP 100-1

RECEPTION, RESPONSE & CO-ORDINATION

Defects of vision and their correction.
The human ear.
Hearing.
Body balance and posture.

By the end of the lesson, the learner should be able to:
Identify defects of vision.
Explain correction of vision defects.
Explain how the ear perceives sound.

Detailed discussion with probing questions;
Drawing illustrative diagrams.

Descriptive and expository approaches.

Illustrative diagrams.

KLB BK IV. PP 101-4
KLB BK IV. P 106

RECEPTION, RESPONSE & CO-ORDINATION
SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Defects of the ear.
Importance of support and movement in plants.

By the end of the lesson, the learner should be able to:
Identify some defects of the ear.

Descriptive and expository approaches.

text book

KLB BK IV.
P 108

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Arrangement of tissues in a monocotyledonous stem.

By the end of the lesson, the learner should be able to:
Draw and label a transverse section of a monocotyledonous stem.

Examine transverse section of a monocotyledonous stem.

Monocotyledo-nous stem, eg. tradescantia, microscope,
Razors.

KLB BK IV. PP111-2.

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Arrangement of tissues in a dicotyledonous stem.
Stem tissues.

By the end of the lesson, the learner should be able to:
Draw and label a transverse section of a dicotyledonous stem.
Draw and label a transverse section of herbaceous and woody stems.

Examine transverse section of a dicotyledonous stem, herbaceous and woody stems.

Herbaceous stem, microscope, slides,
Razors.
Illustrative diagrams.

KLB BK IV. PP 111-5

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Wilting in plants.
The exoskeleton.

By the end of the lesson, the learner should be able to:
Compare the rate of wilting of herbaceous and woody stems.
Account for difference in rate of water loss.

Describe the structure of the exoskeleton.

Uproot herbaceous and woody plants;
Observe tem for about 30 min;
Brief discussion.

Examine movement of a live arthropod;
Observe muscles of the hind limb of a grasshopper;
Relate the observations to the function of the exoskeleton.

A live arthropod,
E.g. grasshopper, millipede.

KLB BK IV. P 116
KLB BK IV. PP 116-7

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

The endoskeleton.
Locomotory features of a finned fish.

By the end of the lesson, the learner should be able to:
Describe the structure of the endoskeleton.

Observe skeleton of a vertebrate;
Compare it with an exoskeleton.
Discuss the contrasting features.

The human skeleton.
A freshly killed tilapi

KLB BK IV. PP 117-8

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Locomotion in a finned fish.

By the end of the lesson, the learner should be able to:
Explain how locomotion occurs in a finned fish.
Explain how a fish is adapted to locomotion in its habitat.

Review external features of a tilapia.
Detailed discussion.

A freshly killed tilapia.

KLB BK IV. PP 117-8

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Tail power of a fish.
Support and movement in mammals. The skull and rib cage.

By the end of the lesson, the learner should be able to:
Calculate the tail power of a fish.

Measure length of tail, length of a tilapia fish.
Calculations.
Discussion on significance of tail power in locomotion.

A freshly killed tilapia.
Human skull, rib cage of rat / rabbit.

KLB BK IV. PP 118-9

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

The vertebral column. Cervical and thoracic vertebrae.
Thoracic and lumbar vertebrae.

By the end of the lesson, the learner should be able to:
Describe the features of the vertebral column.
Identify types of vertebrae.
Explain adaptations of cervical and thoracic vertebrae to their functions.
Explain adaptations of Thoracic and lumbar vertebrae to their functions.

Examine cervical and thoracic vertebrae.
Examine thoracic and lumbar vertebrae.
Draw labeled diagrams;
Brief discussion.

Cervical and thoracic vertebrae.
Thoracic and lumbar vertebrae.

KLB BK IV. PP 121-2
KLB BK IV. PP 122-3

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

The sacral and caudal vertebrae.

By the end of the lesson, the learner should be able to:
Describe the features of the sacral and caudal vertebrae.
Explain adaptations of sacral and caudal vertebrae to their functions.

Examine sacral and caudal vertebrae.
Draw labeled diagrams;
Brief discussion.

Sacral and caudal vertebrae.

KLB BK IV. P 124

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Fore limb.
Hind limb.

By the end of the lesson, the learner should be able to:
Identify bones of the fore limb.

Examine bones if the fore limb;
Drawing labeled diagrams;
Discussion.

Bones of the fore limb.
Bones of the hind limb.

KLB BK IV. PP 126-7

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Movable joints.
Ball and socket joint.

By the end of the lesson, the learner should be able to:
Identify features of movable joints.

Examine the synovial joint.
Brief discussion.

Synovial joint model.

KLB BK IV. P 127

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

The hinge joint. Movement of a joint.
Skeletal muscles.

By the end of the lesson, the learner should be able to:
Identify features of hinge joint.

Describe movement of a joint.
Describe features of skeletal muscles.

Examine a hinge joint.

Observe movement of the fore arm;

Discussion.
Examine diagrams of skeletal muscles;
Brief discussion.

Illustrative diagrams.

KLB BK IV. PP 128-9
KLB BK IV. PP 129-30

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Smooth or visceral muscles.

By the end of the lesson, the learner should be able to:
Describe features of smooth muscles.

Examine diagrams of smooth muscles;
Brief discussion.

Illustrative diagrams.

KLB BK IV. PP 129-30

SUPPORT & MOVEMENT IN PLANTS AND ANIMALS

Cardiac muscles.

By the end of the lesson, the learner should be able to:
Describe features of smooth muscles.

Examine diagrams of smooth muscles;
Brief discussion;
Topic review.

Illustrative diagrams.

KLB BK IV. PP 130-1