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SS1: BIOLOGY - 2ND TERM

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  1. Cellular Respiration | Week 1
    5 Topics
    |
    1 Quiz
  2. Excretion & Growth in Living Cells | Week 2
    4 Topics
    |
    1 Quiz
  3. Irritability | Week 3
    6 Topics
    |
    1 Quiz
  4. Reproduction of Organisms | Week 4
    5 Topics
    |
    1 Quiz
  5. Tissues and Supporting Systems | Week 5
    6 Topics
    |
    1 Quiz
  6. Animal Nutrition | Week 6
    6 Topics
    |
    1 Quiz
  7. Enzymes | Week 7
    1 Topic
    |
    1 Quiz
  8. Heterotrophic Nutrition | Week 8
    3 Topics
    |
    1 Quiz
  9. The Mammalian Dentition | Week 9
    3 Topics
    |
    1 Quiz
  10. Basic Ecological Concepts | Week 10
    3 Topics
    |
    1 Quiz
  11. Local Biotic Communities | Week 11
    4 Topics
    |
    1 Quiz
  12. Major Biomes of the World | Week 12
    5 Topics
    |
    1 Quiz



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tropical rainforest in Nigeria
Tropical rainforest in South-West Nigeria.

Location: Delta, Rivers, Bayelsa, Anambra, Ogun, Ondo, Imo, Abia, Akwa Ibom.

Characteristics of Tropical Rainforests:

1. Rainfall is heavy, over 2000mm per annum.

2. High relative humidity throughout the year.

3. Tropical rain forest is dense and made up of many types of trees which are mostly evergreen.

4. The trees are tall with buttress roots.

5. Tropical Rain forests are dominated by trees and shrubs which form canopy/strata.

6. The trees prevent sunlight from reaching the forest floor, thus the vegetation on the forest floor is sparse.

7. The average temperature is around 27°C.

8. The high temperature and moisture of tropical rainforests cause dead organic matter in the soil to decompose more quickly than in other climates.

9.  Animals commonly found include squirrels, birds, snakes, and monkeys.

10. Plant species include African walnut, Iroko, Obeche, and Mahogany.

11. Epiphytes and climbers are common features in the trees.

Rainy Forest
Tropical Rain Forest.
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