How long ago did invertebrates become common on Earth?

asked Feb 8, 2019 192k views

2 votes

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4 votes

Answer:

520 Million years ago

Selfsimilar answered Feb 8, 2019

7.8k points

0 votes

Invertebrates appeared on Earth around 570 million years ago.

Anne Lacan answered Feb 14, 2019

8.4k points

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