Which of the following can occur when the climate of an area changes?

Question

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As the climate changes, some species may not be able to survive in the new conditions, and may either migrate to a new area with a suitable climate or become extinct. However, if there is an area nearby with a suitable climate, the community may relocate there and continue to thrive. Options A and D are not necessarily true as natural selection may not always lead to adaptation or continental drift may not occur in a short enough timescale for communities to survive. Option B is too extreme as it is rare for an entire area to become completely uninhabitable.

Which of the Following Can Occur When the Climate of an Area