SS1: BIOLOGY - 1ST TERM
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Introduction to Biology | Week 17 Topics|2 Quizzes
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Recognizing Living Things | Week 23 Topics|1 Quiz
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Organisation of Life | Week 33 Topics|2 Quizzes
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Classification of Living Organisms | Week 46 Topics|2 Quizzes
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Kingdom Prokaryotae / Monera & Kingdom Protista | Week 54 Topics|3 Quizzes
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Kingdom Fungi & Kingdom Plantae | Week 610 Topics|2 Quizzes
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Kingdom Animalia I | Week 77 Topics|1 Quiz
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Kingdom Animalia II | Week 86 Topics|2 Quizzes
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The Cell | Week 94 Topics|1 Quiz
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The Cell Structure and Functions | Week 105 Topics|1 Quiz
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The Cell and its Environment | Week 115 Topics|1 Quiz
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Nutrition in Plants | Week 125 Topics|1 Quiz
Quizzes
Phylum Coelenterata (Cnidaria)
Topic Content:
- Characteristics of Phylum Coelenterata
- Classification of Phylum Coelenterata

Characteristics of Phylum Coelenterata:
1. They are mostly aquatic organisms.
2. They are diploblastic organisms i.e. they have two distinct body layers ( ectoderm and endoderm ) separated by a mesogloea .
3. They exhibit tissue level of organization.
4. They are radially symmetrical .
5. They have only one body cavity called enteron or gut ( gastrovascular cavity ) with only one opening, the mouth, and no anus. The mouth also
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