3 years ago

When did arundant fossil evidence first appear in the geologic record

Biology

1 answer:

Delvig [45]3 years ago

7 0

<h2>540 million years ago </h2>

Paleozoic.

Era immediately follows Precambrian It lasted about 4.5 billion years.

When did abundant fossil evidence first appear in the geologic record.

540 million years ago.

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