Propose an explanation why there might be a sudden appearance of a species in the fossil record. 1.the fossil record is incomplete and the previous members of the lineage did not leave a fossil. 2.the fossil record is complete. 3.that species lived in an area that had an abundance of water and mud. 4.fossils could not be found in that layer of rock
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Propose an explanation why there might be a sudden appearance of a species in the fossil record. &nb...
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