Examlex
Status in chiefdoms and states is based primarily upon differential access to resources.
Sympatric Speciation
The evolutionary process through which new species evolve from a single ancestral species while inhabiting the same geographic region.
Sympatric Speciation
The process of speciation that occurs when a new species evolves from a single ancestral species while inhabiting the same geographic region.
Selection Against
A process in natural selection where certain traits decrease an organism's chances of survival and reproduction in a specific environment.
Light-Colored Butterflies
Butterflies with lighter pigmentation, which may have advantages in certain environments, such as reflecting solar radiation.
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