Question

name the organism which lacks nervous system​

Answer 1

Explanation:

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The only multicellular animals that have no nervous system at all are sponges and microscopic bloblike organisms called placozoans and mesozoans

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Answer 2

Answer:

sponges

Nervous systems are found in almost all multicellular animals, but vary greatly in complexity. The only multicellular animals that have no nervous system at all are sponges and microscopic bloblike organisms called placozoans and mesozoans.

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