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1. Explain why the earliest evidence of animals in fhe fossil record would come from chemicals as...

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Biology

1.Explain why the earliest evidence of animals in fhe fossil recordwould come from chemicals as opposed to fossilized imprints.

2.Describe why creating an accurate phylogeny of animal groups(porifera, cnidaria, ctenophora, bilateria and placozoa) is achallenge for taxonomists.

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a Earliest evidence of animals in the fossil record mainly comes from chemicals because body parts of early animals were consisted of mainly soft tissue which decays very easily without leaving any part to be fossilized Chemical fossils are derived compounds    See Answer
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