The link for the video is missing, but finch populations evolve different adaptations and became genetically different when populations become separated from one another.
Speciation refers to the process of emergence of reproductive barriers that lead to the formation of different species when populations become totally separated from one another.
Moreover, allopatric speciation is a type of reproductive isolation that occurs in different environments.
In conclusion, finch populations evolve different adaptations for their environment and became genetically different when populations become totally separated from one another.
Learn more about allopatric speciation here:
https://brainly.com/question/12387377
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