Ecological selection

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Ecological selection (or environmental selection or survival selection or individual selection or asexual selection) refers to natural selection without sexual selection, i.e. strictly ecological processes that operate on a species' inherited traits without reference to mating or secondary sex characteristics.^{[citation needed]} The variant names describe varying circumstances where sexual selection is wholly suppressed as a mating factor.^{[citation needed]}

Ecologists often study ecological selection when examining the abundance of individuals per population across regions, and what governs such abundances.^[1]