Biology, 23.02.2021 18:00, animegirl02

A scientist is examining layers of the earth and tracking information about
animal fossils found in each layer. For
many of the deeper layers there are
consistently large animal skulls but
there is a sudden shift in the skull size in
one layer and they are all much smaller
at that point for the remaining layers
until the earth's surface. What does this
suggest?

Answers: 3

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A scientist is examining layers of the earth and tracking information about
animal fossils fo...