REPRODUCTION IN PLANTS AND ANIMALS

The placenta.

By the end of the lesson, the learner should be able to:
To describe the formation of the placenta and the structure of the placenta.

Exposition and discussion.

Chart- The placenta.

KLB BK III. P. 115 CERTIFICATE PG 159

REPRODUCTION IN PLANTS AND ANIMALS

Role of the placenta. Placental exchanges.
Pregnancy and hormones.

By the end of the lesson, the learner should be able to:
To state and explain the role of the placenta.
To identify substances allowed / not allowed to pass through the placenta

Exposition and discussion. Drawing diagrams showing placental exchanges.
Detailed discussion.

text book

KLB BK III. P. 116 CERTIFICATE PG 159

REPRODUCTION IN PLANTS AND ANIMALS

Abortion, miscarriage, birth.

By the end of the lesson, the learner should be able to:
To describe processes of abortion, miscarriage and birth.

Q/A: To elicit students responses on related issues.

text book

KLB BK III. PP.
117-119 

REPRODUCTION IN PLANTS AND ANIMALS

Lactation and parental care.
Secondary sexual characteristics.
The menstrual cycle.

By the end of the lesson, the learner should be able to:
To explain the role of oxytocin in milk let down.
To draw and label mammary glands.
To state secondary sexual characteristics in males and females.

Discussion

Drawing and labelling mammary glands.

Detailed discussion.

Wall- charts mammary glands.
text book
Chart- Phases of human menstrual cycle.

KLB BK III. P. 120 

REPRODUCTION IN PLANTS AND ANIMALS

28-day menstrual cycle.

By the end of the lesson, the learner should be able to:
To represent hormonal levels on a 28-day chart.

Open discussion.
Interpreting illustrative charts.

chart

KLB BK III. PP.
122-123 CERTIFICATE PG 152

REPRODUCTION IN PLANTS AND ANIMALS

Menopause, infertility and emerging issues.

By the end of the lesson, the learner should be able to:
To describe hormonal changes at menopause.
To discuss emerging issues related to infertility and menopause.

Open discussion.

text book

KLB BK III. P. 123 

REPRODUCTION IN PLANTS AND ANIMALS

Menopause, infertility and emerging issues.

By the end of the lesson, the learner should be able to:
To describe hormonal changes at menopause.
To discuss emerging issues related to infertility and menopause.

Open discussion.

text book

KLB BK III. P. 123 

REPRODUCTION IN PLANTS AND ANIMALS
GROWTH & DEVELOPMENT.

Sexually Transmitted Infections & HIV/AIDS.
The concepts of growth and development.

By the end of the lesson, the learner should be able to:
To identify the symptoms of STIs.
To explain the mode of transmission of STIs / AIDS and discuss methods of control.
To differentiate between HIV and AIDS.
To distinguish growth from development.

Detailed discussion.
Q/A: Distinction and relationship between HIV and AIDS.


Q/A: Aspects that occur during growth.
Detailed discussion of growth and development.

Chart- STIs causal agents, symptoms, prevention and control measures.
text book

PP.
123-125 CERTIFICATE PG 169
KLB BK III. P. 134 CERTIFICATE PG 178

GROWTH & DEVELOPMENT.

Measurement of growth.

By the end of the lesson, the learner should be able to:
To identify aspects that indicate growth of an organism.
Sketch a growth curve.

Discuss growth aspects-height, weight and volume.

text book

KLB BK III. P. 134 CERTIFICATE PG 178

GROWTH & DEVELOPMENT.

Growth phases.

By the end of the lesson, the learner should be able to:
To describe lag and decelerating phases of growth.

Students will have collected data, e.g. height of shoots of different ages.
Teacher assists students to draw growth curves.
Discussion- phases of growth.

Shoots of known ages.

KLB BK III. P. 135 CERTIFICATE PG 179

GROWTH & DEVELOPMENT.

Intermittent growth curve.

By the end of the lesson, the learner should be able to:
Explain growth curve showing intermittent growth.

Q/A: life cycles of insects.
Exposition and detailed discussion.

chart

KLB BK III. P. 135 CERTIFICATE PG 179

GROWTH & DEVELOPMENT.

Structure of the seed.
Longitudinal sections of monocots and dicots.

By the end of the lesson, the learner should be able to:
To draw and label a typical seed.
To state the functions of the parts of a seed.
To identify structural differences between monocots and dicots.

Students examine external structure of bean seeds and maize seeds.
Teacher assists them to identify the parts of the seeds.
Drawing and labeling the seeds.

Obtain longitudinal section of the seeds.
Identify structural differences of the specimens.
Carry out iodine tests.
Explain the observations.

Specimens of maize and bean seeds.
Hand lens
Maize and bean seeds.
Iodine
Scalpels.

KLB BK III. P. 136 CERTIFICATE PG 182
KLB BK III. P. 136  CERTIFICATE PG 182

GROWTH & DEVELOPMENT.

Dormancy in seeds.

By the end of the lesson, the learner should be able to:
To define seed dormancy.
To explain factors that cause dormancy and ways of breaking dormancy.

Detailed discussion.

video

KLB BK III. P. 137 CERTIFICATE PG 188

GROWTH & DEVELOPMENT.

Seed germination.

By the end of the lesson, the learner should be able to:
To describe the process of seed germination.
To investigate conditions necessary for germination.
To explain conditions necessary for germination.

Observe previously prepared specimens.
Discuss the observations.

Seeds
Cotton wool
Flat bottomed flasks
Corks
T-tubes
Thermometers
pyrogallic acid
NaOH solution.

KLB BK III.
P 140. CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Epigeal germination.

By the end of the lesson, the learner should be able to:
To differentiate between epigeal and hypogeal germination.
To describe epigeal germination.

Observe previously prepared specimens of germinating bean seed/ castor seed.
Drawing comparative diagrams.

Specimens of germinating bean/castor seed at different phases of germination.

KLB BK III. P. 141 CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Hypogeal germination.
Primary growth of a seedling.
Region of growth in a root.

By the end of the lesson, the learner should be able to:
To describe hypogeal germination.
To describe primary growth of a seedling.

Observe previously prepared specimens of germinating bean seed/ castor seed.
Drawing diagrams.
Brief discussion.

Specimens of germinating maize seed at different phases of germination.
Germinating bean seeds
Cork pin
Beaker
Indian ink
Blotting paper
Ruler.

KLB BK III. P. 141 CERTIFICATE PG 184
KLB BK III. P 143 CERTIFICATE PG 186

GROWTH & DEVELOPMENT.

Apical meristems.

By the end of the lesson, the learner should be able to:
To draw and label longitudinal and transverse sections of apical meristems.

Drawing and labelling transverse sections of apical meristems.

Charts- Apical meristems.

KLB BK III. P. 144 CERTIFICATE PG 186

GROWTH & DEVELOPMENT.

Secondary growth.

By the end of the lesson, the learner should be able to:
To describe secondary growth of plants.

Detailed discussion.

text book

KLB BK III. PP. 145-146 CERTIFICATE PG 187

GROWTH & DEVELOPMENT.

Growth hormones.
Apical dominance.

By the end of the lesson, the learner should be able to:
To explain role of hormones in growth of plants.

Discuss the role of IAA, gibberellins, cytokinins, and abscisic acid e.t.c, in plant growth.

text book
Shoot with lateral growth.

KLB BK III. P. 147 CERTIFICATE PG 190

GROWTH & DEVELOPMENT.

Growth and development in insects.
Role of hormones in insect growth.

By the end of the lesson, the learner should be able to:
To differentiate between complete and incomplete metamorphosis.
To identify hormones that promotes insect growth.

Q/A: Features of complete and incomplete metamorphosis of insects.
Exposition and explanations.

chart
text book

KLB BK III. PP.148-14.9 CERTIFICATE PG 194
KLB BK III. PP. 148-149. CERTIFICATE PG 199