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what do porifera (sponges), ctenophora (comb jellies) and cnidaria (jellyfish, corals, anemones, and hydroids) have in common regarding symmetry?

1 Answer

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Answer:

They are non-bilaterian.

Step-by-step explanation:

All the animals you listed are non-bilaterian; any organism that lacks bilateral symmetry is non-bilaterian, which is what all of those have in common.

User Andy Day
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