The table below shows the fossils found in various layers of an undisturbed rock: fossils in rock layers layer (from top) fossil in layer 1 a, c 2 e 3 a, d, f 4 b 5 f, c 6 d, b which is most likely an index fossil? a b d e

Fossils largely means the remains of decayed plants and animals. Since they are preserved in rocks, they are of the used as a key in determining the age of rocks in which they are found. The fossil which is most likely to be index is E

Therefore, the fossil lettered E is most likely the index fossil.

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E

Explanation:

Because it is the only letter that appears once.

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