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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 Arthropoda
  • Classification of Arthropoda
    • Class Crustacea
    • Class Insecta
    • Class Arachnida (Spiders, Scorpions, Ticks, Mites)
    • Class Myriapoda
      • Sub-Class Chilopoda (Centipedes)
      • Sub-Class Diplopoda (Millipedes)
  • Economic Importance of Insects
  • Differences between Centipedes and Millipedes
  • Differences between Insects and Millipedes

Arthropod means jointed legs. This Phylum is made up of animals that have joint appendages.

Phylum Arthropoda - lobster
Phylum Arthropoda – lobster.

Characteristics of Phylum Arthropoda:

Characteristics of Phylum Arthropoda include; 

1. They have segmented bodies.

2. They have an exoskeleton made up of chitin. This is an important factor in protection and efficient locomotion in members of this phylum by providing a base to which the muscles are attached.

3. They possess “jointed appendages” or “jointed legs” used for feeding, movement, and reproduction and some serve as sensory organs.

4. They are bilaterally symmetrical.

5. They undergo periodic moulting for growth.

6. They are coelomates with coelom much reduced.

7. They are triploblastic.

8. They undergo metamorphosis.

Classification of Arthropoda:

This is the largest phylum in the animal kingdom and is divided into the following classes;

a. Crustacea
b. Insecta
c. Arachnida
d. Myriapoda: Sub-Class: Chilopoda & Diplopoda

a. Class Crustacea:

Characteristics of Crustaceans:

 

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