Parental investment theory - 🧡 Who proposed parental investment theory?

Thus, for our data set, principal components analysis was not revealing, and we elected to analyze the data using general linear models as Kenrick et al.

The engineers use their knowledge of chemistry to ensure that people in the society will want to keep using and thinking about soma.

This may be because certain phenotypes cannot be built, being ruled out either by physical law or by the properties of biological materials.

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Although males may gain more fitness by remating than females, the two sexes must on average mate equally frequently, because every mating requires an individual of each sex.