A gene pool changes throughout evolution this could be natural selection, genetic drift or a mutation. A gene pool does this to adapt with the needs of the environment it is in
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Answer:72
Explanation:
The water is colder so you would burn more calories.
When all the members of a species disappears, this is called extinction.
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A because protons make the atom the element it is and the molar mass is made up by the neutrons and protons. The protons must stay the same to keep the same element and electrons hardly have mass so A
