Thepopulations of Chihuahua spruce (Picea chihuahuana) have been fragmented due tochanging climatic conditions. This has resulted in:a.stabilizing selection.b.large population sizes.c.an increase in genetic diversity within populations.d.genetic drift.e.all of the choices apply.

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A:

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Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.