5. What do fossils of transitional links illustrate? O A. Natural selection happened long ago just as it does today.
O B. Shared characteristics of two distinct groups show that
those groups are related.
O C. Convergent evolution occurred in ancient past.
D. All transitional links are now extinct.

You need to give use the answers

It explains why rocks appear in layers

25 ) where the jellyfish were counted at

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