Sexual dimorphism

Sexual dimorphism is the systematic difference in form between individuals of different sex in the same species. Examples include size, color, and the presence or absence of parts of the body used in courtship displays or fights, such as ornamental feathers, horns, antlers or tusks.
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Sexual dimorphism n. The physical differences between male and female individuals that arise as a consequence of sexual maturation, including the [more]Sexual dimorphism - Community and Resources

The existence, within a species, of differences in morphology between the sexes. Examples are greater size in males of gorilla, baboon and elephant seals.

B: (Biologi) dimorfisme seksual
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