What we know about the past dependent on hard-bodied animals

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Data indicate that we are currently in the sixth mass extinction event in the history of the earth. The first five mass extinction events are known from fossils of hard-bodied animals that lived in shallow seas. Why is so much about what we know about the past dependent on hard-bodied animals?

Reference no: EM13111027

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What we know about the past dependent on hard-bodied animals : Data indicate that we are currently in the sixth mass extinction event in the history of the earth. The first five mass extinction events are known from fossils of hard-bodied animals that lived in shallow seas. Why is so much about what we know a..

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