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| natural selection that favors altruistic behavior toward close relatives resulting in an increase in the individual's genetic contribution to the gene pool |
| a process that results in differential reproduction among a population so that the inheritable traits of only certain individuals are passed on |
soma so·ma (sō'mə)
n. pl. so·mas or so·ma·ta (-mə-tə)
The entire body of an organism, exclusive of the germ cells.
The axial part of a body, including the head, neck, trunk, and tail.
The body of a person as contrasted with the mind or psyche.
See cell body.