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Biology 7 Online
OpenStudy (anonymous):

Sponges have no “true tissues.” What does this mean?

OpenStudy (anonymous):

a.) They perform body functions by diffusion. b.) they have organs for specific functions. c.) Similar cells do not cooperate together.

OpenStudy (sreekar369):

They perform body functions by diffusion. @brookiecookie333

OpenStudy (anonymous):

thank you!! @sreekar369

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