EXCRETION AND HOMEOSTASIS

Excretion and homeostasis in animals.

By the end of the lesson, the learner should be able to:
To identify excretory organs in various animals.

Exposition and discussion.
Observe drawings of various animals showing excretory organs.

Specimens of platyhelmin-thes, annelida, insects.

K.L.B. BK 2
P. 85

EXCRETION AND HOMEOSTASIS

The mammalian skin.
The lungs.

By the end of the lesson, the learner should be able to:
Draw and label the structure of the mammalian skin.
To describe functions of parts of the mammalian skin.

Permanent slides of mammalian skin.
Chart/ model- Mammalian lungs.

K.L.B. BK 2
PP. 86-87

EXCRETION AND HOMEOSTASIS

The kidneys structure.
The nephron.
Urine formation.

By the end of the lesson, the learner should be able to:
To describe the external structure of kidney.
To describe the internal structure of the kidney.
Describe features of the nephron.

Observe external features of a kidney.
Observe internal drawing and labeling of the kidney.
Discuss features of the nephron.
Draw structure of the nephron.
Label the diagram.

Wall-Charts?internal organs of a kidney.

Chart?Kidney nephron.
chart

K.L.B. BK 2
PP. 89-90

EXCRETION AND HOMEOSTASIS

The loop of Henle.
Kidney diseases and disorders.
The Liver.

By the end of the lesson, the learner should be able to:
To explain the function of the loop of Henle; and how it?s adapted to its function.
To discuss the role of ADH in determination of concentration of urine.

Discussion and explanations.

Probing questions.

Chart-
The nephron.
text book
Chart-Structure of the liver

K.L.B. BK 2 PP 91-92

EXCRETION AND HOMEOSTASIS

Deamination.
Other functions of the liver.

By the end of the lesson, the learner should be able to:
To explain the function of the liver in deamination.

Probing questions.

Discussion

text book

K.L.B. BK 2 PP 95

EXCRETION AND HOMEOSTASIS

Liver disorders.
Homeostasis.
The feedback mechanism.

By the end of the lesson, the learner should be able to:
To name and discuss kidney disorders.
To identify methods of preventing and treating these disorders.

Exposition and discussion.

text book
Chart-
Schematic diagram of feedback mechanism

K.L.B. BK 2 PP 96-97

EXCRETION AND HOMEOSTASIS

The hypothalamus.
The skin and thermoregulation.
Blood vessels and their functions in thermo-regulation.
Homeostatic behavioral activities.
Osmoregulation.

By the end of the lesson, the learner should be able to:
To explain the role of hypothalamus in thermoregulation.
To explain the adaptation of blood vessels and their function in thermo-regulation.

Exposition and detailed discussion.
Exposition and discussion.
Drawing schematic diagrams.

text book
text book
text book,video

K.L.B. BK 2 PP 98
K.L.B. BK 2 PP 98-99

EXCRETION AND HOMEOSTASIS

Blood sugar.
Diabetes.

By the end of the lesson, the learner should be able to:
To discuss effects of insufficient/ excess sugar in the blood.

To explain regulation of blood sugar.

Detailed discussion.



Detailed discussion.

text book

K.L.B. BK 2 PP 101-102

CLASSIFICATION II

Principles of classification of living organisms...

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

Explain the importance of classification of organisms.
Discuss the general principles of classification.
Identify major taxonomic units.

Q/A: To review Classification I.

Discussion of principles of classification of organisms.

Q/A: Major taxonomic units.

Chart- Taxonomic units.

KLB BK III.
PP 1-2. CERTIFICATE PG 1 

CLASSIFICATION II

Binomial Nomenclature.

By the end of the lesson, the learner should be able to:
To define a species.
To explain features of a species.
To explain principles of binomial nomenclature.

Probing questions leading to definition of a species.
Give examples of breeds and varieties.
Discuss the double- naming system and the underlying features.

Chart- Examples of generic and specific names of organisms.

KLB BK III.P 2. CERTIFICATE PG 3

CLASSIFICATION II

Animal Kingdoms. Kingdom Monera.
Kingdom Protoctista.

By the end of the lesson, the learner should be able to:
Identify the five animal kingdoms.

State characteristics of members of kingdom Monera.
To identify and draw various bacteria.
To explain how bacteria affect our lives.

To give examples of members of kingdom Protoctista.
To state general characteristics of members of kingdom Protoctista.

Expository approach -The teacher will expose the five kingdoms.
Discussion- General characteristics of unicellular and microscopic organisms.
Drawing and labeling a bacterium.

Q/A: Economic importance of bacteria.

Teacher leads in a discussion.

Chart- Types of bacteria

KLB BK III.P 3. CERTIFICATE PG 4
KLB BK III.
PP 4-5. CERTIFICATE PG 8

CLASSIFICATION II

Organisms with varied forms.

By the end of the lesson, the learner should be able to:
To draw and label an amoeba, paramecium, spirogyra, e.t.c.

Drawing and labelling organisms with varied forms.

Wall charts.

KLB BK III. P 4-5. CERTIFICATE PG 9

CLASSIFICATION II

Organisms in pond water.

By the end of the lesson, the learner should be able to:
To identify organisms in pond water.

Examine a drop of pond water on a glass slide under a microscope.
Draw diagrams of organisms observed.
Compare the observed organisms with those previously drawn and labelled.

Microscope
Water dropper
Pond water
Glass slides.

KLB BK III. P. 4-5. CERTIFICATE PG 10

CLASSIFICATION II

Kingdom Fungi. Characteristics of Kingdom Fungi.

By the end of the lesson, the learner should be able to:
To give examples of members of kingdom fungi.
To discuss economic importance of fungi.
To state general characteristics of fungi.

Detailed discussion.
Exposition of new concepts/ terms.

Mushrooms,
Yeast,
Bread mould.

KLB BK III. P 6. CERTIFICATE PG 11

CLASSIFICATION II

Diagrams of Fungi.
Kingdom Plantae. General characteristics.

By the end of the lesson, the learner should be able to:
To draw and label various fungi.
State general characteristics of plants.

Examine bread mould.
Draw and label diagrams of various fngi.
Q/A: Compare plants with the aforementioned kingdoms, and then list down characteristics of plants.

Wall charts,
Bread mould,
Yeast,
Edible mushroom.

KLB BK III. P 6. CERTIFICATE PG 12
KLB BK III. P 7. CERTIFICATE PG 13

CLASSIFICATION II

Division Bryophyta External structure of a Bryophyta.

By the end of the lesson, the learner should be able to:
State general characteristics of Bryophyta.
To draw and label external features of an identified Bryophyta.
To identify features of Bryophyta.

Teacher leads in a discussion. Students examine moss plant under a hand lens, then
Draw and label the moss plant.

Moss plant,
Hand lens,
Slide.

KLB BK III. P 7. CERTIFICATE PG 14

CLASSIFICATION II

Division Pteridophyta.

By the end of the lesson, the learner should be able to:
To state general characteristics of Pteridophytes.
To draw and label external features of Pteridophytes.

Teacher leads in a discussion on characteristics of Pteridophytes.
Class experiments: To observe a live or preserved fern.
To draw and label the fern.

A live or preserved fern.

KLB BK III. P 7. CERTIFICATE PG 15

CLASSIFICATION II

Division Spermatophyta.

By the end of the lesson, the learner should be able to:
To state general characteristics of spermatophytes.

Teacher leads in a discussion on spermatophytes.

text book

KLB BK III. P 9. CERTIFICATE PG 16

CLASSIFICATION II

Features of Spermatophytes.
Sub-division Gymnospermatophyta.

By the end of the lesson, the learner should be able to:
To identify features of spermatophytes.
To state general characteristics of gymnospermatophyta.

Class experiments: To examine a complete specimen of a bean plant with ponds/ maize plant/ a twig of cypress.
Detailed discussion.

Complete specimens of bean plant with ponds/ maize plant/ a twig of cypress.


text book

KLB BK III. P 9. CERTIFICATE PG16

CLASSIFICATION II

Subdivision Angiospermaphyta.

By the end of the lesson, the learner should be able to:
To state general characteristics of angiospermaphyta.

Detailed discussion.
Q/A: Comparing gymnospermatophyta and angiospermaphyta.

text book

KLB BK III. P 10. CERTIFICATE PG 16

CLASSIFICATION II

Class Monocotyledonae.

By the end of the lesson, the learner should be able to:
To list down characteristics of Monocotyledonae.

Class experiments: Examine maize plant/ wheat/ grass/ sugarcane.
Discuss external features of the plants.

Maize plant/ wheat/ grass/ sugarcane.

KLB BK III. P 11. CERTIFICATE PG 17

CLASSIFICATION II

Class Dicotyledonae.

By the end of the lesson, the learner should be able to:
To list down characteristics of Dicotyledonae.

Class experiments: Examine external features of bean plant/ black jack/ tea.
Discuss their external features.

Bean plant/ black jack/ tea.

KLB BK III. P 11. CERTIFICATE PG 17

CLASSIFICATION II

Kingdom Animalia.

By the end of the lesson, the learner should be able to:
To state characteristics of kingdom Animalia.

Q/A: To review general characteristics of animals as compared to those of plants.

text book

KLB BK III. P 12. CERTIFICATE PG 18

CLASSIFICATION II

Phyllum Arthropoda.

By the end of the lesson, the learner should be able to:
To state general characteristics of Arthropoda.

Q/A: General characteristics of Arthropoda.

KLB BK III. P 12. CERTIFICATE PG 19

CLASSIFICATION II

Class Crustacea.

By the end of the lesson, the learner should be able to:
To list down external features of a crab/ crayfish.

Examine preserved specimens of a crab/ crayfish and identify external features.
Draw and label diagrams.
Discuss their general characteristics.

Specimens of a crab/ crayfish.

KLB BK III. P 13. CERTIFICATE PG 21

CLASSIFICATION II

Class Chilopoda.

By the end of the lesson, the learner should be able to:
To describe external features of a centipede.

Examine a centipede.
Draw and label a centipede.
Discuss general characteristics of Chilopoda comparing them to those of other members of the kingdom Animalia.

A centipede.

KLB BK III. P 14. CERTIFICATE PG 20

CLASSIFICATION II

Class Diplopoda.
Class Arachnida.

By the end of the lesson, the learner should be able to:
To describe external features of a milipede.
To describe external features of mites, spiders, scorpions, ticks.

Examine a milipede.
Draw and label a milipede.
Discuss general characteristics of diplopoda comparing them to those of other members of the kingdom Animalia.

Examine specimens of freshly killed/ preserved arachnids.
Q/A: Differences between arachnids and members of other classes.
Discuss general characteristics of Arachnida.

A milipede.
Specimens of freshly killed/ preserved arachnids.

KLB BK III. P 15. CERTIFICATE PG 20

CLASSIFICATION II

Class Insecta.

By the end of the lesson, the learner should be able to:
To describe external features of common insects.

Examine live/ freshly killed specimens of ground beetle, honeybee, termite, e.t.c.
List down general characteristics of insecta.
Discuss economic importance of insects.

Live/ freshly killed specimens of ground beetle, honey-bee, termite, e.t.c.

KLB BK III. P 15. CERTIFICATE PG 21

CLASSIFICATION II

Phyllum Chordata.

By the end of the lesson, the learner should be able to:
To identify general characteristics of chordates.

Q/A: Identify classes of phylum chordata.
Discussion: characteristics of chordates.

KLB BK III. PP 16-18. CERTIFICATE PG 22

CLASSIFICATION II

Class Pisces.

By the end of the lesson, the learner should be able to:
To draw and label external features of a (tilapia) fish.

Exposition- Teacher exposes new concepts pertaining to characteristics of fish.

Chart tilapia fish.

KLB BK III. P 18. CERTIFICATE PG 22

CLASSIFICATION II

Class Amphibia.
Class Reptilia.

By the end of the lesson, the learner should be able to:
To compare observable features of a tilapia fish and those of a frog.
To state general characteristics of reptilia.

Group experiments- Observing specimens and placing them in their respective classes.
Q/A: Comparing reptiles and amphibians/ aves
Discussion: General characteristics of reptilia.

Preserved specimens ? fish, amphibians.

KLB BK III. P 18. CERTIFICATE PG 23
KLB BK III. P 18. CERTIFICATE PG 24

CLASSIFICATION II

Class Aves.

By the end of the lesson, the learner should be able to:
To state general characteristics of aves.

Q/A: Comparing reptiles and amphibians/ aves
Discussion: General characteristics of reptilia.

Chart- Diagrams of birds.

KLB BK III. P 19. CERTIFICATE PG 24

CLASSIFICATION II

Class Mammalia.

By the end of the lesson, the learner should be able to:
To state general characteristics of Mammalia.

Q/A: Examples of egg laying mammals, pouched mammals, primates, etc.

Diagrams of various mammals.

KLB BK III. P 20. CERTIFICATE PG  25

CLASSIFICATION II

Dichotomous key.

By the end of the lesson, the learner should be able to:
To explain the rules used in constructing a dichotomous key.

Teacher exposes features of a dichotomous key.

KLB BK III. P 23. CERTIFICATE PG 27

CLASSIFICATION II

Features for identifying animals / plants.
Examples of dichotomous keys.

By the end of the lesson, the learner should be able to:
To list identification features for animals/ plants.
To construct dichotomous keys using leaves, stems, e.t.c.

Teacher exposes features for identifying animals/ plants.


Teacher leads through constructed dichotomous keys.

Chart- Constructed dichotomous keys.

KLB BK III. P 24. CERTIFICATE PG 27
KLB BK III. P 24. CERTIFICATE PG28

CLASSIFICATION II

Construction of dichotomous keys.

By the end of the lesson, the learner should be able to:
To construct a guided dichotomous key of a given number of steps.
To use a constructed dichotomous key to identify given specimens.
To construct own dichotomous key.

Supervised exercise.

Written exercise.

Exercise review.

Plants from different families.

Different plant species.

KLB BK III. PP 24-30 CERTIFICATE PG30