BIOLOGY: Second Term’s Scheme of Work for SSS 1 – 3

Below is second term's Biology scheme of work for Senior Secondary Schools (SSS) 1 – 3.
BIOLOGY: Second Term’s Scheme of Work for SSS 1 – 3

SECOND TERM’S SCHEME OF WORK FOR SSS 1

Week 1: Tissue and Supporting System 
I. Definition of supporting and systems
II. Types of skeleton: Hydrostatic skeleton, Exo (ecto) skeleton, Endo Skeleton
III. Skeletal materials:  Chitin, cartilage, and bone
IV. Functions of supporting tissues in plants and animals – protection, support, locomotion, strength, rigidity, resistance to forces of wind and water 

Week 2: Vertebrate Skeleton 
I. Axial skeleton – The Skull and vertebral column
II. Appendicular skeleton – The limbs, sternum and ribs, limb girdle 

Week 3: Supporting Tissue in Plants
I. Types of supporting tissue in plants 
II. Location of supporting tissue in plants
III. Structures and components of supporting tissues in plants, e.g., collenchymas, paranchyma, xylem, phloem, etc.

Week 4: Nutrition in Animals 
I. Food substances – classes with examples
II. Concept of balanced diet and its importance 
III. Food test

B. Mode of Nutrition 
I. Types of heterotrophic nutrition – holozoic, saprophytic and parasite nutrition 
II. Feeding mechanism in holozoic organisms – filter feeding, fluid feeding and deposit feeding 

Week 5: Mammalian Teeth 
I. Forms – milk and permanent teeth
II. Types – Incisors, canines, permolar and molar
III. Structures of a tooth (canine/molar)
IV. Dental formular and adaption – Herbivores,  carnivores and omnivores 

B. Enzymes 
I. Definition of enzymes
II. Characteristics of enzymes
III. Types of digestive enzymes – sources, location, substance acted upon and effect/products 
IV. Importance/Functions of enzymes 

Week 6: Basic Ecological Concepts 
I. Components of an ecosystem 
– Biotic (living) and Abiotic (non-living) component 
– Aquatic and terrestrial component 

II. Definitions of common terms in ecological studies: environment, population, biosphere, lithosphere, hydrosphere, atmosphere, nicher habitat, biotic, community, ecosystem 

III. Local communities (biomes) – Nigeria ecological region (sahel, sudan, guinea savanna, tropical forest, swamp forest)

IV. Major biomes of the world: Tropical forest, savanna, desert, shrub, apro – alphine and swamps 

Week 7: Population Studies by Sampling Method 
I. Population size, population dominance, population density
II. Factors affecting population
III. Ecological factors affecting aquatic and terrestrial habitat
IV. Importance of ecological factors to population of plant and animals 

Week 8: Ecological Factors 
I. Relationship between soil types and water holding effects of soil on vegetation 
II. Simple measurement of ecological factors and measuring instrument, e.g., physical factors and edaphic factors 

Week 9: Functioning Ecosystem 
I. Definitions of autotrophy and heterotrophy 
II. Definition of terms – Producer, consumers, aquatic and terrestrial 
III. Examples of producers and consumers 

Week 10: Trophic Levels 
I. Definition of food chain and food web
II. Non-cycle nature of energy transfer
III. Nutrient movement (energy flow) in aquatic and terrestrial habitat
IV. Pyramid of number and energy 
V. Nature of energy flow in food chain and food web

Week 11 – 12: Revision/Examination 

ALSO SEE: Biology: Third Term's Scheme of Work SSS 1 and 2

SECOND TERM’S SCHEME OF WORK FOR SSS 2

Week 1: Conservation of Natural Resources
I. Definition 
II. Needs or importance of conservation 
III. Methods or ways of consenting natural resources (Legislation Education, Erection of packs, and reserves) 
IV. Agencies responsible for conservation 
V. Problems associated with conservation 

Week 2: Pest and Diseases of Crop
I. Definition of pest
II. Classification of pest by the pest of the plants they attack, e.g., stem borers, root feeders, leaf feeder, plants and seed feeder)
III. The animal types: Invertebrates, e.g., nematodes, anthropode, locust etc.); Vertebrate pests (birds), e.g., gull, weaver bird, mammal (e.g., rodent monkey)

Week 3: Pest and Diseases of Crop 
I. Life cycle and control of pest
II. Disease caused by pest and their agents, e.g., viral disease, bacterial diseases, and fungi disease
III. Methods of pest diseases control – Physical, Biological and Chemical methods 

Week 4: Reproductive System in Fish and Reptiles 
I. Structures of male and female reproductive organs 
II. Parts and functions of male and female reproductive organs of fish and reptiles 
III. Structure of male and female gametes 
IV. Differences between male and female reproductive organs of fish and reptiles 

Week 5: Reproductive System in Bird and Mammals
I. Structures of male and female reproductive system 
II. Parts and functions of male and female reproductive system 
III. Structures and differences of male and female gametes 
IV. Differences between male and female reproductive organs


Week 6: Reproductive System in Bird and Mammals II
I. Structural differences in the egg of vertebrates 
II. Tabulation and comparison of reproduction in fish, reptiles, birds and mammals 

B. Reproductive System in Plants 
I. Structure and function of the floral parts 
II. Arrangement of the major reproductive parts (whorls) 

Week 7: Reproductive System in Plants II 
I. Types of flower
II. Types of ovaries 
III. Important terms often used to study flowers, e.g., bisexuals, mono-sexual, inflorescence, regular incomplete etc.

Week 8: Pollination in Plants 
I. Definition and types
II. Features of self pollinated flowers
III. Features of cross pollinated flowers
IV. Agents of pollination – water, wind, insect, animals

Week 9: Regulation of Internal Environment 
I. Definition of homeostasis 
II. Organs and processes involved in homeostasis 
III. The structure, function and disease of kidney
IV. Effects of kidney diseases and their possible remedies 

Week 10: The Liver 
I. The structure, function and diseases of liver 
II. Effects of liver diseases and remedies 
III. Processes and metabolism of deamination, and metabolism of carbohydrate and lepids 

Week 11: Plant Hormones 
I. Definition and types 
II. Functions of the plant hormones 
III. Effects of axin on lateral development, leaf fall and initiation of adventious roots 
IV. Modern application of axin and other hormones, and with reference to early flowing, crop harvest and weed control etc.

Week 12 – 13: Revision/Examination 

SECOND TERM’S SCHEME OF WORK FOR SSS 3

Week 1: Revision 
I. Revision of all relevant topics in national examination 
II. Revision of past WAEC, NECO and UTME questions 

Week 2: Revision on Practicals 
Revision of past practical questions alternative to practical 

Week 3 – 4: General revision/Examination 

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