Thursday, 25 February 2016

The Sea Sponge Could Be The First Animal On Earth

New genetic analyses led by MIT researchers confirm that sea sponges are the source of a curious molecule found in rocks that are 640 million years old.

These rocks significantly predate the Cambrian explosion - the period in which most animal groups took over the planet, 540 million years ago - suggesting that sea sponges may have been the first animals to inhabit the Earth.

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