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SS1: BIOLOGY - 1ST TERM

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



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Topic Content:

  • Characteristics of Phylum Mollusca
  • Classification of Phylum Mollusca

Phylum Mollusca consists of a large group of animals with sizes ranging from microscopic organisms to organisms 20 meters long. They are a source of jewelry as well as food for human beings.

Snail
Snail (Phylum Mollusca)

Characteristics of Phylum Mollusca:

Phylum Mollusca has the following Characteristics;

1. They are soft-bodied animals.

2. Many are aquatic and mostly found in marine and freshwater. Few are terrestrial and found in moist soil.

3. The body is usually protected by a calcareous shell (a covering mostly made up of calcium carbonate). 

4. They have non-segmented bodies.

5. They possess serrated tongues (radula) for tearing food. Example: snails 

 

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