ECOLOGY

Inverted pyramid of numbers.
Pyramid of Biomass.

By the end of the lesson, the learner should be able to:
Give examples where an inverted pyramid of numbers exists; giving reasons thereof.

Representing inverted pyramid of numbers diagrammatically.

Chart- Inverted pyramid of numbers.
chart

KLB BK III. PP 43-44 CERTIFICATE PG 50

ECOLOGY

Population.
Quadrat method of estimating population.

By the end of the lesson, the learner should be able to:
To describe some characteristics of populations.
To explain factors affecting population growth rate.

Q/A: Definition of population.
Discuss population density, dispersion and growth.
Q/A: Factors affecting population growth rate; including food availability, space, diseases such as HIV/AIDS, pests, e.t.c.

text book

KLB BK III. P 46.  CERTIFICATE PG 60

ECOLOGY

Quadrat method of estimating population.
Line - transect method of estimating population.
Belt transect method of estimating population.
Capture-recapture method.

By the end of the lesson, the learner should be able to:
To estimate population using quadrat method.
To estimate population using belt transect method of population.

Students? outdoor activity- Estimating population using standard quadrats.
Group work ? outdoor activity.
Discussion.

Standard quadrats.
text book
Tape measure, quadrats, pegs, thermometer, pH indicator, e.t.c
specimen

KLB BK III. PP
46-47. CERTIFICATE PG 62
KLB BK III. PP 48-49. CERTIFICATE PG 63

ECOLOGY

Xerophytes.

By the end of the lesson, the learner should be able to:
To state characteristics of dry habitats.
To identify adaptations of xerophytes to their habitats.

Q/A: Characteristics of dry habitats.
Discussion: Adaptations of xerophytes to dry habitats.

Specimens of xerophytes.

KLB BK III. P 50. CERTIFICATE PG 64

ECOLOGY

Mesophytes.
Hydrophytes.

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

To explain adaptations of mesophytes to their habitats.

Q/A: Characteristics of habitats where mesophytes thrive.

Discussion: Adaptations of mesophytes to their habitats.

Specimens of mesophytes.
Specimens of hydrophytes.

KLB BK III. P 51. CERTIFICATE PG 69

ECOLOGY

Halophytes.

By the end of the lesson, the learner should be able to:
To state characteristics of habitats of halophytes.
To explain adaptations of halophytes to their habitats.

Q/A: Characteristics of dry habitats.
Discussion: Adaptations of dry habitats.

Specimens of halophytes.

KLB BK III. P 52. CERTIFICATE PG 68

ECOLOGY

Adaptive features of plants.
Pollution and its effects.

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

To define pollution, pollutants.
To explain effects of pollution on human beings and other organisms.

Group experiments- Students examine given specimens and suggest their habitats.
Identify adaptive features.
Discussion punctuated with Q/A.

Xerophytes Mesophytes
Hydrophytes
Hand lenses.
text book

KLB BK III. P 50. CERTIFICATE PG 69
KLB BK III. P 55. CERTIFICATE PG 70

ECOLOGY

Air pollution.

By the end of the lesson, the learner should be able to:
To identify causes and effects of air pollution.
To suggest control measures of air pollution.

Detailed discussion & probing questions.

topic related video

KLB BK III. PP 56-59. CERTIFICATE PG 70

ECOLOGY

Water pollution.

By the end of the lesson, the learner should be able to:
To identify causes and effects of water pollution.
To suggest control measures of water pollution.

Detailed discussion & Q/A.

video of water pollution

KLB BK III. P 60. CERTIFICATE PG 77

ECOLOGY

Soil pollution.
Radioactive emissions.

By the end of the lesson, the learner should be able to:
To identify causes and effects of soil pollution.
To suggest control measures of soil pollution.

Detailed discussion & Q/A.

text book

KLB BK III. P 62. CERTIFICATE PG 80

ECOLOGY

Human diseases. Typhoid & cholera.
Protozoan diseases.
Prevention and control of protozoan diseases.

By the end of the lesson, the learner should be able to:
To identify disease predisposing factors.
To describe causative agents, symptoms, prevention of bacterial diseases.


To identify causal agents, symptoms, prevention and treatment of amoebic dysentery and malaria.

Detailed discussion with probing questions.


Detailed discussion, Q/A.

text book
magazine

KLB BK III. P 63. CERTIFICATE PG 82
KLB BK III. PP 66. CERTIFICATE PG 83

ECOLOGY

Ascaris lumbricoides.

By the end of the lesson, the learner should be able to:
To identify adaptive features of Ascaris lumbricoides.
To state and explain effects of a parasite on the host.
To suggest preventive and control measures.

Group activities: Students examine preserved specimens of Ascaris lumbricoides and identify some adaptive features.

Detailed discussion.

Preserved specimens of Ascaris lumbricoides.

KLB BK III. P 67. CERTIFICATE PG 87

ECOLOGY

Bilharzia.

By the end of the lesson, the learner should be able to:
To identify causal and transmission agents of bilharzia.
To describe effects of the parasite on its host.
To identify adaptive features of schistosoma.

Brief discussion
Q/A: Effects on host and control measures.

chart

KLB BK III. P 69. CERTIFICATE PG 86

REPRODUCTION IN PLANTS AND ANIMALS

Fertilisation process.
Implantation.

By the end of the lesson, the learner should be able to:
To explain the fertilisation process.

Discussion
Drawing diagrams.

chart
text book

KLB BK III. PP. 113-114 CERTIFICATE PG 152

REPRODUCTION IN PLANTS AND ANIMALS

The placenta.
Role of the placenta. Placental exchanges.
Pregnancy and hormones.
Abortion, miscarriage, birth.

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.

To identify functions of human oestrogen and progestrone during pregnancy.

Exposition and discussion.
Tabulate functional differences.

Chart- The placenta.
text book

KLB BK III. P. 115 CERTIFICATE PG 159
CERTIFICATE PG 160

REPRODUCTION IN PLANTS AND ANIMALS

Lactation and parental care.

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.

Discussion

Drawing and labelling mammary glands.

Wall- charts mammary glands.

KLB BK III. P. 120 

REPRODUCTION IN PLANTS AND ANIMALS

Secondary sexual characteristics.
The 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.

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
REPRODUCTION IN PLANTS AND ANIMALS
GROWTH & DEVELOPMENT.

Menopause, infertility and emerging issues.
Sexually Transmitted Infections & HIV/AIDS.
The concepts of growth and development.

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.

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.

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

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

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

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.
Structure of the seed.

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
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.
Seed germination.

By the end of the lesson, the learner should be able to:
To identify structural differences between monocots and dicots.
To describe the process of seed germination.
To investigate conditions necessary for germination.
To explain conditions necessary for germination.

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

Hand lens
Maize and bean seeds.
Iodine
Scalpels.
video
Seeds
Cotton wool
Flat bottomed flasks
Corks
T-tubes
Thermometers
pyrogallic acid
NaOH solution.

KLB BK III. P. 136  CERTIFICATE PG 182
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.

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

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

Specimens of germinating maize seed at different phases of germination.

KLB BK III. P. 141 CERTIFICATE PG 184

GROWTH & DEVELOPMENT.

Region of growth in a root.
Apical meristems.

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

Group experiments- Observe previously prepared specimens to determine regions of growth.
Discuss observations made.
Draw relevant diagrams.

Germinating bean seeds
Cork pin
Beaker
Indian ink
Blotting paper
Ruler.
Charts- Apical meristems.

KLB BK III. P. 144 CERTIFICATE PG 186

GROWTH & DEVELOPMENT.

Secondary growth.
Growth hormones.
Apical dominance.
Growth and development in insects.

By the end of the lesson, the learner should be able to:
To describe secondary growth of plants.
To explain the role of auxins in apical dominance.

Detailed discussion.
Probing questions leading to definition and explanation of apical dominance.

text book
Shoot with lateral growth.
chart

KLB BK III. PP. 145-146 CERTIFICATE PG 187
KLB BK III. PP. 147-148.

GROWTH & DEVELOPMENT.

Role of hormones in insect growth.

By the end of the lesson, the learner should be able to:
To identify hormones that promotes insect growth.

Exposition and explanations.

text book

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