This is an example of; evolution
Evolution is a gradual process in which the characteristics of a species are changed in response to its environment over several generations. Evolution depends on the process of natural selection. Some of the changed characteristics (traits) may be beneficial to the organism and it can be transferred to their offspring.
A sudden shift in the tectonic plates of the earth
Answer:
Protein
Explanation:
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Using the fossil record, you can categorize species based on analogous or homologous structures
