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Porifera and Cnidaria

Sponges have ...

Question

Sponges have a cell aggregate body plan with pores all over their body. They belong to phylum _________

A

Porifera

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B

Coelenterata

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C

Platyhelminthes

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D

Nematoda

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Solution

The correct option is A
Porifera

Sponges belong to phylum Porifera. They are multicellular organisms with a cellular level of body organisation (cell aggregate body plan) and have pores all over their body with channels allowing water to circulate through them.

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