REPRODUCTION IN PLANTS AND ANIMALS

Seed formation.

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

To explain formation of seeds.

Detailed discussion.

text book

KLB BK III.
P 97.CERTIFICATE PG 123

REPRODUCTION IN PLANTS AND ANIMALS

Fruit development.
Classification of fruits.
Placentation.

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

To describe development of fruits in flowering plants.


To define placentation.
To describe the process of placentation.
To identify types of placentation.

Detailed discussion.



Teacher exposes the meaning of placentation.
Students examine ovaries of various fruits as the teacher exposes the types of placentation exhibited.
Students draw diagrams showing types of placentation.

text book
A variety of fruits, petri dishes
Blades
Containers.
Fruits
Beans
Sunflower
Pawpaw
Orange
Primrose, e.t.c

KLB BK III.
P 98.CERTIFICATE PG 124
KLB BK III.
P 100.CERTIFICATE PG 130

REPRODUCTION IN PLANTS AND ANIMALS

Fruit and seed dispersal.

By the end of the lesson, the learner should be able to:
To explain adaptive features of fruits and seeds to their agents of dispersal.

Students examine fruits and seeds, observe external features, and group them accordingly to methods of dispersal.
Detailed discussion of observations made.

text book

KLB BK III. PP. 102-103 CERTIFICATE PG 130

REPRODUCTION IN PLANTS AND ANIMALS

Internal structure of fruits.
Sexual reproduction in animals. External fertilisation.
Internal fertilisation.
Reproduction in mammals. Reproduction in human beings.

By the end of the lesson, the learner should be able to:
To label the parts of internal structure of a fruit.

To identify the functions of internal parts of a fruit.

To describe internal fertilisation and compare it with external fertilisation.

Teacher demonstration- Vertical sections of fruits.

Students draw and label the fruit internal structure.



Tabulate differences between external and internal fertilisation.

charts
Strands of eggs of frogs.
Wall charts-Reproduction system.

KLB BK III. P. 104 
KLB BK III. P. 105CERTIFICATE PG 148

REPRODUCTION IN PLANTS AND ANIMALS

Functions of parts of male reproduction system.
Male reproduction system of a male animal.

By the end of the lesson, the learner should be able to:
To explain the male reproduction system.

Detailed discussion.

text book
Reproduction system of a rabbit/ rat.

KLB BK III. PP. 106-108 CERTIFICATE PG 150

REPRODUCTION IN PLANTS AND ANIMALS

Female reproduction system.
Functions of parts of female reproduction system.

By the end of the lesson, the learner should be able to:
To draw and label parts of the female reproduction system.

Drawing and labeling.

chart

KLB BK III. PP.
108-110. CERTIFICATE PG 164

REPRODUCTION IN PLANTS AND ANIMALS

Female reproduction system of a female animal.
Formation of ova.

By the end of the lesson, the learner should be able to:
To identify parts of female reproduction system of a female animal.

Examine parts of a female reproduction system.
Identify the parts.

Dissected female rat/ mouse/rabbit.
text book

KLB BK III. P.110 CERTIFICATE PG 151

REPRODUCTION IN PLANTS AND ANIMALS

Fertilisation process.
Implantation.
The placenta.
Role of the placenta. Placental exchanges.
Pregnancy and hormones.

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

Discussion
Drawing diagrams.


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

chart
text book
Chart- The placenta.

KLB BK III. PP. 113-114 CERTIFICATE PG 152
KLB BK III. P. 116 CERTIFICATE PG 159

REPRODUCTION IN PLANTS AND ANIMALS

Abortion, miscarriage, birth.
Lactation and parental care.

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
Wall- charts mammary glands.

KLB BK III. PP.
117-119 

REPRODUCTION IN PLANTS AND ANIMALS

Secondary sexual characteristics.
The menstrual cycle.
28-day menstrual cycle.

By the end of the lesson, the learner should be able to:
To state secondary sexual characteristics in males and females.

Detailed discussion.

text book
Chart- Phases of human menstrual cycle.
chart

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.
Measurement of growth.

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 identify aspects that indicate growth of an organism.
Sketch a growth curve.

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


Discuss growth aspects-height, weight and volume.

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.

Growth phases.
Intermittent growth curve.
Structure of the seed.

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.
chart
Specimens of maize and bean seeds.

KLB BK III. P. 135 CERTIFICATE PG 179

GROWTH & DEVELOPMENT.

Longitudinal sections of monocots and dicots.
Dormancy in seeds.

By the end of the lesson, the learner should be able to:
To identify structural differences between monocots and dicots.

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

Hand lens
Maize and bean seeds.
Iodine
Scalpels.
video

KLB BK III. P. 136  CERTIFICATE PG 182

GROWTH & DEVELOPMENT.

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

KLB BK III.
P 140. CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Hypogeal germination.
Primary growth of a seedling.
Region of growth in a root.
Apical meristems.
Secondary growth.

By the end of the lesson, the learner should be able to:
To describe hypogeal germination.
To determine the region of growth in a root.

Observe previously prepared specimens of germinating bean seed/ castor seed.
Drawing diagrams.
Group experiments- Observe previously prepared specimens to determine regions of growth.
Discuss observations made.
Draw relevant diagrams.

Specimens of germinating maize seed at different phases of germination.
Germinating bean seeds
Cork pin
Beaker
Indian ink
Blotting paper
Ruler.
Charts- Apical meristems.
text book

KLB BK III. P. 141 CERTIFICATE PG 184
KLB BK III. P. 144 CERTIFICATE PG 186

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.

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

chart
text book

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