Question

is there any evidence of nervous or circulatory system in sponges

Answer 1

Answer:

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Explanation:

Answer: Sponges have no nervous, digestive or circulatory system Sponges are animals of the phylum Porifera (Modern Latin for bearing pores). 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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