Question

which organism is known as first animal?​

Answer 1

Answer:

The strange sea creatures known as Dickinsonia, shown here in fossil form, lived 558 million years ago. Fossil imprints that resemble the rippled underside of a mushroom's cap are remnants of the oldest-known animals in Earth's history.

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Answer 2

Answer:

Fossils of ancient sea creatures answer a long-standing question about how animals became bigger and more complex. The strange sea creatures known as Dickinsonia, shown here in fossil form, lived 558 million years ago.

Explanation:

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