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How long ago did invertebrates become common on Earth?

How long ago did invertebrates become common on Earth?
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How long ago did invertebrates become common on Earth?

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User Tmagalhaes
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2 Answers

4 votes

Answer:

520 Million years ago

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User Selfsimilar
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Invertebrates appeared on Earth around 570 million years ago.

answered
User Anne Lacan
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