Biology, asked by hriteshhaldar788, 23 days ago

what is ostia???????????

Answers

Answered by Anonymous

2

Answer:

an opening into a vessel or cavity of the body.

ZOOLOGY

each of a number of pores in the wall of a sponge, through which water is drawn in.

Answered by nikhilsram2004

3

Answer:

poriferans have water transport system. water enters the body through minute pores called ostia.

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