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Q 1. How do poriferan animals differ from coelenterate animals?

Answers (1)

D Divya Prakash Singh

The differences between poriferan and coelenterate animals are:

S.No.	Poriferan	Coelenterate
1.	These organisms have holes(pores) over their bodies.	With a single opening, these organisms have a body with a cavity called coelenteron.
2.	The body design involves very minimal differentiation and division into tissues.	They show more body design differentiation.
3.	Made up of a single layer of cells.	The body is made up of two layers of cells.
4.	They are non-motile and attached to some solid support.	Some live in colonies(corals) while some have a solitary like - span (Hydra).
5.	They have a characteristic canal system to helps to circulate water through the body to bring in food and oxygen.	They have a cavity in their body.

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