2022/2023 Second Term Biology Scheme Of Work For SS2

Biology Scheme of work

UNIFIED SCHEME OF WORK FOR BIOLOGY

CLASS: SENIOR SECONDARY SCHOOL TWO

TERM: SECOND TERM SCHEME OF WORK

WEEK 1

General Cleaning And Revision

WEEK 2

TOPIC

Adaptation

CONTENT

  1. definition of adaptation
  2. adaptation informed function at living organism due to environmental conditions
  3. effects of availability of water adaptive modifications
  4. structural adaptation (fish, tadpole, toad lizard, snail, crab prawn, and birds

BEHAVIORAL OBJECTIVES

Learners should be able to

  1. define adaptation
  2. state that adaptation may be a modification in response to environmental factors
  3. describe the availability of water as the principal factor for plant and animal distribution list examples of adaptation to environmental factors

INSTRUCTIONAL MATERIALS

  1. hibiscus plant, water weeds, chameleon, differed colors of cloth
  2. tall glass jar, water plasticine, two pieces of water weed specimens of tadpole fish, toad beaks of owl and sparrow or other birds

TEACHER’S ACTIVITIES

  1. teachers ask the learners to examine the root of hibiscus and the roots of water weeds (Elodea)
  2. the teacher places chameleon against different backgrounds
  3. teacher guides the learners to attach lymph of plasticine to the base of two water weeds, later weeds later drop into a tall gas jar containing water and leave the other one on the table
  4. teacher asks learners to compare tadpole fish, fished toad, sparrow, and owl

LEARNERS ACTIVITIES

Learners observe the difference in the habitat of the two plants (hibiscus and water weeds

WEEK 3

TOPIC

Pollution

CONTENT

  1. definition of terms
  2. pollution
  3. pollutants
  4. types of pollution ( Air water soil land)
  5. sources, causes, and effects of different types of pollution control of different of pollution control (air, water)
  6. control of different types of pollution (AIR, water, soil land

BEHAVIORAL OBJECTIVES

Learners should be able to

  1. define pollution
  2. define pollutant mentions all types of pollution
  3. enumerate the harmful effect of pollution
  4. state the source, cause, and effects of different types of pollution
  5.  list the control of different types of pollution in the air, water salt, and land
  6. Name climate and industrial wastes that pollute land and water

INSTRUCTIONAL MATERIALS

  1. Glass jars, mosquito larvae tadpoles, crude oil, detergents insecticide
  2. The industrial estate visited

TEACHER’S ACTIVITIES

  1. The teacher leads the learners to set up experiments on pollution and set up jars of certain water for drinking
  2. In each jar place mosquito larvae, tadpoles
  3. The teacher leads the learner to visit an industrial state to study industrial waste and their effects

LEARNERS ACTIVITIES

  1. The learner observes the effects of the pollutant on the organisms in the jars
  2. Learners assist in setting up experiments on pollution
  3. Learners observe the various effects of industrial waste on the environments

WEEK 4

TOPIC

Conservation Of Natural Resources

CONTENT

  1. Definition of conservation of natural resources
  2. Natural resources need to be conserved. ( renewable and non-renewable resources )
  3. Reasons for Conservation
  4. Ways of ensuring conservation of natural resources
  5.  Benefits of conservation of natural resources
  6. Problems associated with the conservation of natural resources  

BEHAVIORAL OBJECTIVES

Learners should be able to :

  1. Define conservation
  2. Enumerates reasons for the protection of lands and wide lives from the structure and extinction
  3. A statewide variety of conservation laws should be obeyed
  4. Discuss problems and difficulties associated with conservation.
  5. Discuss the need to conserve petroleum and natural gas
  6. State methods of conservation of a given natural resources 

INSTRUCTIONAL MATERIALS

  1. The film on gas flaming
  2. The conservation law documents

TEACHER’S ACTIVITIES

  1. The teacher discusses the problem and difficulties of conservation with learners and leads them to suggest a possible solution
  2. Passes around the conservation law document
  3. Show films or documentaries on gas flaming oil spillage

LEARNERS ACTIVITIES

  1.  the learner discusses the problem and difficulties of conservation in class and suggests possible solutions aspect consider are
  2. Economic and social development
  3. Over grassing

WEEK 5

TOPIC

Reproductive System In Vertebrates

CONTENT

  1. Reproductive system in fish, reptiles, birds, and mammals:
  2. Structure of the male and female reproductive systems
  3. Parts of the reproductive systems and their functions
  4. Structures of the male and female gametes ( sperms ) and the female gametes (oven)

BEHAVIORAL OBJECTIVES

Learners should be able to :

  1. Identify the various parts of the male and female reproductive systems
  2. Describes the structures and the function of the male and female reproductive organ of vertebrates
  3. Draw, label, and describe the structure of male and female gametes (sperm and Oven).

INSTRUCTIONAL MATERIALS

  1. Dissected fish or lizard showing the male and female reproductive systems
  2. Dissected rats or rabbits showing the male and female reproductive systems
  3. Charts showing the structure of the male and female gamete
  4. Microscope, the slide of the oven   

TEACHER’S ACTIVITIES

  1. Teachers present to the learner dissected male and female vertebrates, showing the reproductive organs
  2. The teacher uses the dissected specimens to explain the functions of the organs of the reproductive system (male and female) 

LEARNERS ACTIVITIES

  1. Learners draw and examine the reproductive organs in the given specimens
  2. Learners draw examine the specimens and note the functions
  3. Learners compare the male reproductive system with the female reproductive system
  4. Learners view the male gamete they draw and label the specimen

WEEK 6

TOPIC

Reproductive System In Vertebrates

CONTENT

  1. differences between male and female reproductive organs
  2.  the structural difference in the eggs of vertebrates
  3. Compare of reproduction in fish reptiles and mammals.

BEHAVIORAL OBJECTIVES

Learners should be able to

  1. distinguish between male and female reproductive organs in mammal
  2. State the structural difference in the gas of vertebrates
  3. Compare reproduction in fish, birds, toads, reptiles, and mammals.

INSTRUCTIONAL MATERIALS

  1. Diagram of male and female reproductive organs of rat and rabbit
  2. Eggs of toadfish, lizard, chitin other available name vertebrates for the structural differences in the eggs of vertebrates
  3. A chart showing the comprise reproduction in fish reptiles and mammals

TEACHER’S ACTIVITIES

  1. With the aid of the diagram of the male and female reproductive organs of a rat, the teacher leads the learner to distinguish between male and female reproductive organs in mammals in tabular form
  2. Display the eggs of some vertebrates (toad, fish, chitin, and lizard)

LEARNERS ACTIVITIES

  1. Learners distinguish between male and female reproductive organs in mammals
  2. Learners examine the structural differences in the eggs and record their functions
  3. Learners compare reproduction in fish, toads, reptiles, birds, and mammal

WEEK 7

TOPIC

Reproductive System In Plants

CONTENT

  1. structures and functions of the reproductive organs of plants
  2. Arrangements of the reproductive organs in different plants
  3. Parts of flowers and structures
  4. Types of flowers/ ovary
  5. Hypogynous
  6. Perigynous
  7. Epigenous
  8. Kinds of placentation
  9. Definition of placentation
  10. Types/kinds of placentation (marginal parietal free-central, axile and basal placentation)

BEHAVIORAL OBJECTIVES

Learners should be able to:

  1. Identify reproductive organs in plants
  2. Distinguish between the essential and non-essential parts of a flower
  3. Describe the various organs of a flower
  4. Describe the different kinds of placentation

INSTRUCTIONAL MATERIALS

  1. Allemande
  2. hibiscus
  3. pride of Barbados grass
  4. Ovaries of pride of Barbados, flamboyant flower.

TEACHER’S ACTIVITIES

  1. teachers ask learners to examine the various parts of a flower provided.
  2. Describe each part and points out the essential and non-essential parts.
  3. Describe the various reproductive organs of a flower and the position of the ovary in each flower
  4. Prepares transverse section and longitudinal section of ovaries for learners to observe with a hand lens

LEARNERS ACTIVITIES

  1. Learners examine the various parts of either allemande or pride of Barbados or hibiscus and grass.
  2. Draw the position of various ovaries
  3. Examine the slide with a hand lens and note the different kinds of placentation.

WEEK 8

TOPIC

Pollination In Plants

CONTENT

  1. definition of pollination
  2. types of pollination
  3. self-pollination
  4. cross-pollination
  5. features of self-pollinated flowers 
  6. features of cross-pollinated flowers
  7. agents of pollination (water, insects, wind, animals)

BEHAVIORAL OBJECTIVES

Learners should be able to

  1. define pollination
  2. name and describe the different types of pollination
  3. list the features that aid self-pollination
  4. state the agents of pollination
  5. state the characteristics of wind-pollinated and insect-pollinated flowers

INSTRUCTIONAL MATERIALS

  1. flowers e.g. Hibiscus, maize slides, microscopes
  2. the school garden or any other garden

TEACHER’S ACTIVITIES

  1. teacher asks the learners to study flowers of different kinds and with a diagram
  2. relates the position of the stigma and stamens to the type of pollination
  3. examine the nature of the pollen grain
  4. explain the agent of pollination

LEARNERS ACTIVITIES

  1. learners should note the position of the stigma and the stamens
  2. draw the diagrams
  3. studying the flowers as directed by the teachers
  4. prepare and examine slides

WEEK 9

TOPIC

Regulation Of Internal Environment

CONTENT

  1. homeostatic organ
  2. substance involves in homeostatic
  3. kidney structure, functions, and diseases
  4. effects of kidney diseases and the remedies
  5. the liver
  6. structure function and disease of the liver, bile products
  7. effects and remedies of liver diseases

BEHAVIORAL OBJECTIVES

Learners should be able to:

  1. list the main organ and substances involved in the homeostatic (control mechanism )
  2. describe the structure and function of these organs: kidney and liver
  3. name some kidney diseases and explain their symptoms and effects
  4. name some liver diseases and briefly explain their symptoms and effect
  5. discuss the remedy for unhealthy conditions (kidney and liver)  

INSTRUCTIONAL MATERIALS

  1. reserve vertebrate e.g. rabbit
  2. charts
  3. the skin of a small mammal on a microscope
  4. fan

TEACHER’S ACTIVITIES

  1. dissect a small mammal to show the liver and the kidney
  2. shows learners photographs or chats of a mammal (healthy and diseased)i. kidney ii. liver

LEARNERS ACTIVITIES

  1. learners examine dissected vertebrates, e.g. rabbits, and note the following
  2. structure and position of the kidney and liver
  3. relative positions of other organs

WEEK 10

TOPIC

Endocrine Glands

CONTENT

  1. animal hormones
  2. definition of hormones
  3. types of animal hormones and function of hormones
  4. effects of overproduction or urethra production of the hormones
  5. plants hormones
  6. types and function of plant hormones
  7. effects of Auxins on lateral bud development, leaf of irritation of an adventitious root
  8. modern application of auxin in agriculture 

BEHAVIORAL OBJECTIVES

Learners should be able to :

  1. explain what hormones are
  2. list some endocrine glands their position in the body and their functions

INSTRUCTIONAL MATERIALS

  1. charts photograph of endocrine glands

TEACHER’S ACTIVITIES

  1. teachers show learners chats and photograph that highlight the distinction between endocrine glands
  2. perform experiments to show the roles  played by auxins on shoots (phototropism ) and roots (geotropism)

LEARNERS ACTIVITIES

  1. learners observe the distribution of endocrine glands on chats and photographs

WEEK 11

TOPIC

The Skin

CONTENT

  1. definition of the skin
  2. structure of the mammalian skin
  3. regulation by the body temperature of the skin
  4. diseases of the skin
  5. care of the skin  

BEHAVIORAL OBJECTIVES

The learner should be able to :

  1. state the functions of the mammalian skin
  2. draw and label the main structures of the skin

INSTRUCTIONAL MATERIALS

  1. fan
  2. chart showing the diagram of the skin

TEACHER’S ACTIVITIES

Teachers show learners the details structure of the mammalian skin under the microscope

LEARNERS ACTIVITIES

  1. learners observe and draw the mammalian skin
  2. fan themselves and observe sweats on human skin and the cooling effects on skin

WEEK 12

Revision

WEEK 13

Examination

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