A form of natural selection favoring the spread of alleles that promote behaviors that help close relatives is called _____ selection.

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Kin selection is a form of natural selection that favors the spread of alleles that promote behaviors that help close relatives because individuals share a portion of their genes with their relatives. This form of selection can be seen in altruistic behaviors, where an individual may sacrifice their own fitness for the benefit of their close relatives who share similar genes. Reciprocal selection is a type of natural selection that favors the evolution of cooperation through mutually beneficial interactions. Group selection is the idea that natural selection acts on the level of the group, rather than the individual, which is a controversial topic in evolutionary biology. Sexual selection involves the selection of traits that enhance an individual's ability to secure a mate. Intrasexual selection involves competition within a single sex for access to the opposite sex.

A Form of Natural Selection Favoring the Spread of Alleles