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The first animals on Earth may have been sea sponges, study suggests
September 29, 2025
CAMBRIDGE, Massachusetts, Sept. 29 -- The Massachusetts Institute of Technology issued the following news:

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The first animals on Earth may have been sea sponges, study suggests

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A team of MIT geochemists has unearthed new evidence in very old rocks suggesting that some of the first animals on Earth were likely ancestors of the modern sea sponge.

In a study appearing today in the Proceedings of the National Academy of Science . . .

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