Question

why do animals exist?​

Answer 1

Explanation:

Genetic data suggest that multicellular animals evolved around 1000 million years ago; this is supported by fossil embryos from rocks in China that date back 600 million years. ... Previously scientists believed that animals did not begin to colonise the land until the Silurian (440 - 410 million years ago).

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Answer 2

Answer:

Answer in attachment.

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