sexual selection
A krai of Russia. / A city, the administrative center of Stavropol Krai, Russia.
A plant, fungus, or other organism that grows upon rock.
plural of Tuscan porterhouse
(evolutionary theory) A type of natural selection where members of the sexes acquire distinct forms either because the members of one sex choose mates with particular features or because in the competition for mates among the members of one sex only those with certain traits succeed.
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