20 SEP 2011 by ideonexus
Mating Strategies of Males and Females
A vivid demonstration of this difference can be seen by looking up the
record number of children sired by a human female versus a male. If you
were to guess the maximum number of children that a woman could
produce in a lifetime, you’d probably say around fifteen. Guess again.
The Guinness Book of World Records gives the “official” record number
of children for a woman as sixty-nine, produced by an eighteenth century
Russian peasant. In twenty-seven pregnancies between 1725 and
1745, sh...A Great summary of the differences between them evolutionarily.
04 MAY 2011 by ideonexus
Humans are a Self-Domesticated Animal
Mankind is a self-domesticated animal; a mammal; an ape; a social ape; an ape in which the male takes the initiative in courtship and females usually leave the society of their birth; an ape in which men are predators, women herbivorous foragers; an ape in which males are relatively hierarchical, females relatively egalitarian; an ape in which males contribute unusually large amounts of investment in the upbringing of their offspring by provisioning their mates and their children with food, p...A list of the behaviors in human beings.
03 MAY 2011 by ideonexus
The Give and Take of Gender on Evolution
Trivers and Willard realized that the same general principle of sex allocation, which determines the gender of nematodes and fish, applies even to those creatures that cannot change sex but that take care of their young. They predicted that animals would be found to have some systematic control over the sex ratio of their own young. Think of it as a competition to have the most grandchildren. If males are polygamous, a successful son can give you far more grandchildren than a successful daugh...Males can produce more offspring, but if there are too many males, then their chances are reduced and it is preferable to have a girl.