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Biology 8 Online
OpenStudy (anonymous):

As water flows in and out of their bodies, _______ take in oxygen and food. A. jellyfish B. insects C. sponges D. flatworms

OpenStudy (anonymous):

C

OpenStudy (petiteme):

Sponges :D

OpenStudy (petiteme):

They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.

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