3 Matching Annotations
- Sep 2021
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www.pnas.org www.pnas.org
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facial muscle anatomy of dogs.
Is this selection pressure mostly due to humans wanting dogs to look more human-like or having human-like expressions?
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unconscious
Unconscious Selection: non-intentional human selection.
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selection pressures
"survival of the fittest". External agents which affect an organism's ability to survive in a given environment.
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