Why is rare to find fossils of animals from before the Cambrian period?

1 answer:

Vesna [10]3 years ago

6 0

The Cambrian explosion. Trilobites were found because of their hard shell, unlike soft bodied creatures.

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Yuri [45]

The answer is b correct

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Organ systems is the answer

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The wrist is more proximal than the hand .

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natima [27]

The correct answer would be A

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AfilCa [17]

Answer:

Nitrogen

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