Tanniech Tanniech

07-07-2017
Biology

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Difference between ostium and osculum

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KaitlynWitalec KaitlynWitalec

07-07-2017

osculum is a large opening in a sponge through water flows out of the sponge. The sponge may have more than one.

Ostia: a serious of tiny pores all over the body of a sponge that let water in the sponge, on of these is called ostium

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