Question

Enlist two advancements of coelenterates and porifera

Answer 1

Answer:

Tissue level of organization.

2)Non motile animals.

3)Can move from one place to another.

4)No coelom.

5)Radial symmetry,diploblastic.

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Answer 2

Poriferans show cellular grade of organisation whereas coelenterates show tissue grade of organisation. Coelenterates show presence of stinging cells or choanocytes for offence and defence that is absent in poriferans

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