please could you help me out

Social Science
Tutor: None Selected Time limit: 1 Day

what is the first animal on earth

Nov 28th, 2014

  1. The evolutionary history of the comb jelly has revealed surprising clues about Earth's first animal. Earth's first animal was the ocean-drifting comb jelly, not the simple sponge, according to a new find that has shocked scientists who didn't imagine the earliest critter could be so complex.


Nov 28th, 2014

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Nov 28th, 2014
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