We still don’t know what the world’s first animal looked like, but scientists say it arose roughly 700 million years ago from a soup of single-celled organisms floating in the ocean.
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We still don’t know what the world’s first animal looked like, but scientists say it arose roughly 700 million years ago from a soup of single-celled organisms floating in the ocean.
We still don’t know what the world’s first animal looked like, but scientists say it arose roughly 700 million years ago from a soup of single-celled organisms floating in the ocean.