On this also depends the phenomena of seasonal and sexual dimorphism.
This difference recalls the sexual dimorphism of the eosin eye.
sexual dimorphism is evident in all species and subspecies of Conophis.
The sexual dimorphism in the skull is slight, the skull of the male being only a third heavier than that of the female.
In the great majority of cases of sexual dimorphism among birds the cock is the more showily coloured.
The phenomena of seasonal and sexual dimorphism are nowhere more clearly developed than among the lepidoptera.
Wallace rejects the whole theory, and believes that natural selection alone can explain all the phenomena of sexual dimorphism.
The theory fails to give a satisfactory explanation of the phenomena of sexual dimorphism.
Only after serious study of sexual dimorphism in the animal series may one venture a few reflections on feminism.
In order to account for the phenomena of sexual dimorphism, he formulated the theory of sexual selection.
sexual dimorphism n.
The physical differences between male and female individuals that arise as a consequence of sexual maturation, including the secondary sex characteristics.