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8_murik_8 [283]
3 years ago
6

What are some similarities of sponges and cnidarians

Biology
1 answer:
Svetlanka [38]3 years ago
5 0

Similarities:

They contain nematocyst (cells that sting)  

some are sessil/free swimming  

Some corals have a symbiotic relationship with algae, they need to grow in shallow waters so that light can penetrate for the algae to photosynthesize.

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