Respuesta :

yaboi502
Need to adapt to the environment due to climate change.
Drastic change in diet or lack of resources.

MadisonArmstrong
1. Natural selection.  2. Genetic Drift.
A multitude of factors can cause populations to evolve, including natural selection, mutation, artificial selection (usually caused by human interference), sexual selection, genetic drift, and genetic variation. C: Good luck! 

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