Biology

SS 2 Biology Third Term Lesson Notes

THIRD TERM E-LEARNING NOTE   SUBJECT:  BIOLOGY                     CLASS:  SS 2   SCHEME OF WORK   WEEK TOPIC Excretion in Lower Organisms Excretory System in Vertebrates and Plants Male and Female Reproductive Structures Sexual Reproduction  Reproduction in Plants  Pollination Ecological Succession Overcrowding and Food Shortage Balance

REPRODUCTIVE SYSTEMS AND REPRODUCTION IN HUMANS

Subject:  BIOLOGY [mediator_tech] Term: FIRST TERM WEEK 3   TOPIC: REPRODUCTIVE SYSTEMS AND REPRODUCTION IN HUMANS   CONTENTS 1.   Reproductive system in males and female   i.                   Function of various parts   ii.                 Structure of a male sperm and ovum   2.   Fertilization   i.                   Fusion of gametes ii.                 Implantation   3.   Development of embryo   i.                   Selective exchange between mother and child

BIOLOGY FIRST TERM EXAMINATION SS 2

FIRST TERM SUBJECT: BIOLOGY                     TIME: 1HR 30MINS   CLASS: SS  2 1.Euglena moves by A. whipping action of flagellum  B. beating of its cilia  C. pushing out a jet of water D. beating the pseudopodia and cilia simultaneously. 2.The organelle which eliminates water from the body of protozoa is A. plasma membrane  B. contractile

BIOLOGY SS 2 SECOND TERM EXAMINATION

Biology SS2 ________ is the simplest bit of living matter that can exist independently. (a)Cell (b)Organ (c) Tissue (d) None of the above Which of the following is a form in which cell exist? (a)Colony (b) Filament (c) Plant like protist (d)All of the above Cells exhibit a variety of shapes and sizes. TRUE /

SS 3 BIOLOGY FIRST TERM LESSON NOTE PLAN SCHEME OF WORK

SS 3                                                 BIOLOGY   WEEKS                                     TOPICS   Revision of Summer school’s work.   Balance in Nature: (a) Factors affecting a population (i) Abiotic –light,space,heat,water etc.(ii)Biotic –food, competition (inter specific and intra

THEORY OF EVOLUTION

SUBJECT :BIOLOGY CLASS :SS 3 TERM :FIRST TERM WEEK :WEEK 10 TOPIC: EVOLUTION CONTENT: Theories of Evolution. The theories of evolution according to Charles Darwin, Jean Baptist de Lamark Evidence of evolution. Forces responsible for evolution: mutation, gene flow, genetic drift. INTRODUCTION Adaptation is the process by which organisms change their structure, physiology and behaviour

EVOLUTION STRUCTURAL ADAPTATION FOR COLOURATION FOOD AND DEFENCE

    SUBJECT: BIOLOGY CLASS: SS 3 TERM: FIRST TERM WEEK: WEEK 9 TOPIC: EVOLUTION CONTENT: 1. Progressive change in structure and anatomy of organisms. Structural adaptation: Adaptive colouration Structural adaptation: For obtaining food. Different castes of termites. Different castes of bees. SUB-TOPIC 1: PROGRESSIVE CHANGE IN STRUCTURE AND ANATOMY OF ORGANISMS. Definition of Evolution

VARIATION AND EVOLUTION MORPHOLOGICAL PHYSIOLOGICAL AND APPLICATION OF VARIATION

SUBJECT: BIOLOGY CLASS: SS 3 TERM: FIRST TERM  WEEK: 8 TOPIC: VARIATION AND EVOLUTION   CONTENT: 1. Morphological variations 2. Physiological variation 3. Application of variation   INTRODUCTION   Evolution is the cumulative changes in the characteristics of population or organisms occurring in the course of successive generations related by descent. Variations are differences in traits or

BIOLOGY OF HEREDITY: GENETICS

WEEK 7   TOPIC: BIOLOGY OF HEREDITY   CONTENT:   Transmission and expression of characters in organisms Chromosomes the basis of heredity. Probability in genetics. Applications of principles of heredity Explanation on cross and self fertilization   BIOLOGY OF HEREDITY: GENETICS   Genetics is the scientific study of heredity and variation in living organism. Scientists

REPRODUCTIVE BEHAVIOURS IN ANIMALS

  WEEK: 6   SUBJECT: BIOLOGY   TOPIC: REPRODUCTIVE BEHAVIOURS IN ANIMALS   CONTENT: 1. Paring   Territoriality Display of body colours Seasonal migration   SUB-TOPIC 1: COURTSHIP BEHAVIOURS IN ANIMALS   Courtship is a collection of ritualized behaviours unique to each species that lead up to and enable animals to have successful sex union.