What he did was say that evolution happened that over time the birds seemed to be changing
I believe your answer would be:
A. Fossils.
Explanation:
Because they are the preserved remains or traces of animals, plants, and other organisms from the past. They're also important evidence for evolution because they show that life on earth was once different from life found on earth today.
Hope I helped, good luck! =)
<span> LOOK up Negative Regulations E. Coil
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Latin is used in binomial nomenclature because it is a dead language.
The answer is D. competition