Question

53. Body cavity of coelenetrata is called
(a) haemococ!
(b) spongocoel
(c) coelenteron
(d) pseudocoelom.
(OJEE)​

Answer 1

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Answer 2

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9th

Biology

Biological Diversity

Porifera

Cavity present in sponges i...

BIOLOGY

Cavity present in sponges is called as

December 30, 2019avatar

Zaid Dalvi

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ANSWER

A spongocoel can be defined as the large, central cavity of sponges. Water enters the spongocoel through hundreds of tiny pores called as ostia and exits through the larger opening (osculum). It is also known as a paragastric cavity.

Coelenteron: the digestive cavity of coelenterates. It has a single opening into which all food is taken and through which all waste products are ejected.

The pseudocoelom is a fluid-filled body cavity lying inside the external body wall of the nematode that bathes the internal organs, including the alimentary system and the reproductive system.

Schizocoelom: Body cavity formed by the splitting of mesoderm.

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