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10 July, 10:02

Sponges have no nerve tissue or sense organs. explain why this means that sponges have no cephalisation.

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  1. 10 July, 12:40
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    Cephalization is the differentiation of end part of the body into a head in which nerve tissue is concentrated. Sponges have a very loose nervous system and their cells work individually, not controlled by a nervous system. Since they have no defined head as a consequence of concentrated nervous system, the sponges could not have cephalization either.
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