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23 January, 06:50

What layer of the fossil record strata shows a sudden appearance of animals in geological "time"?

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  1. 23 January, 07:00
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    The layers of the fossil records show that the sudden appearance of animals was seen in the Cambrian period. During the Cambrian explosion, many different species of animals were seen in the fossil record. After the Cambrian explosion, many diversification were seen among organisms. All the animal phyla's were made during the Cambrian explosion.
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