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SS1: BIOLOGY - 1ST TERM

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  1. Introduction to Biology | Week 1
    6 Topics
    |
    1 Quiz
  2. Recognizing Living Things | Week 2
    3 Topics
    |
    1 Quiz
  3. Organisation of Life | Week 3
    3 Topics
  4. Classification of Living Organisms | Week 4
    7 Topics
    |
    1 Quiz
  5. Kingdom Prokaryotae / Monera & Kingdom Protista | Week 5
    3 Topics
    |
    3 Quizzes
  6. Kingdom Fungi & Kingdom Plantae | Week 6
    9 Topics
    |
    2 Quizzes
  7. Kingdom Animalia I | Week 7
    6 Topics
    |
    1 Quiz
  8. Kingdom Animalia II | Week 8
    5 Topics
    |
    1 Quiz
  9. The Cell | Week 9
    3 Topics
    |
    1 Quiz
  10. The Cell Structure and Functions | Week 10
    4 Topics
    |
    1 Quiz
  11. The Cell and its Environment | Week 11
    4 Topics
    |
    1 Quiz
  12. Nutrition in Plants | Week 12
    4 Topics
    |
    1 Quiz



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All living things whether plants or animals show the characteristics below;

1. Cellular Structure: All living things have a cellular structure. All living things are made up of one or more cells.

2. Movement:  This is an activity by an organism which causes a change in position. Most single-celled organisms and animals move from one place to another with the aid of their locomotory organs. Fungi and plants show limited movements with parts of their body. 

3. Respiration: This is the oxidation of food substances such as glucose in cells to release energy

4. Nutrition: This refers to the taking in, digesting, absorbing, and utilizing food in animals. Plants require light, Carbon-dioxide, water, and mineral salts to make their food through photosynthesis.

5. Irritability/Sensitivity: This is the ability to detect and respond to stimuli.

6. Growth: This is the permanent or irreversible increase in the size of an organism.

7. Excretion: Excretion is the removal of metabolic wastes from the body of an organism.

8. Reproduction: This is the process by which an organism gives rise to offspring of its same kind. In other words, it is the process by which organisms gives rise to genetically identical organism i.e. organisms of the same species. The process may be asexual if only one parent is involved and sexual if two parents are involved and there is a fusion of gametes.

9. Adaptation: Living things are able to suit or modify themselves to cope with changes within their internal and external environment. It increases their chances of survival within their environment

10. Competition: All living things struggle for survival in order to live. They struggle for space, light, water, food, and reproductive mates.

11. Life Span: All living things have a definite period of existence.

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    1. Excretion is the removal of metabolic wastes from the body. Faeces is not the product of a metabolic process and is not counted as excretory waste because it is food that is left over after digestion. True excretion takes place in the skin, lungs and kidneys. These organs get rid of products of various metabolic reactions, like urea, that have no use or purpose.

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