I will give only one--not as a very striking case, but as likewise illustrating one step in the separation of the sexes of plants, presently to be alluded to.
In the case of animals and plants with separated sexes, it is of course obvious that two individuals must always unite for each birth; but in the case of hermaphrodites this is far from obvious.
An intercourse with the white traders, however, soon effected a change in the toilets of both sexes
. They became fond of arraying themselves in any article of civilized dress which they could procure, and often made a most grotesque appearance.
Of 1,881 males who reported ever having had intercourse, 94% reported opposite sex partners, 3% reported same-sex partners, and 3% reported partners of both sexes
. Of 1,705 females who reported ever having had intercourse, 88% reported opposite sex partners, 3% reported same-sex partners, and 9% reported partners of both sexes
Was Pollock possibly portraying the complex communication patterns between the sexes
? Communication, defined as exchange of information, is key to interactions and sexual health.
We don't necessarily feel a void in our lives if we don't have both sexes
Known today by the scientific label Australopithecus afarensis, these ancient ancestors of people may have taken the battle of the sexes
in a strange direction, for primates at any rate.
THE FEMINIST DENIAL of biological differences between the sexes
can be downright hilarious.
will allow adolescents of both sexes
to identify healthier choices and encourage longer delays with main partners."
Marriage is an exclusive union of two human persons of complementary sexes
, male and female, for the sake of the union of the couple and the production of offspring.
were determined without the observer knowing the treatment of the individual.
Whereas in earlier times the explanation was sought in the uncontrollable motions of the uterus, a chronic imbalance between bodily fluids or weak nerves,  nowadays all this is translated into a biochemical and evolutionary jargon that explains the origins of "natural" differences of psyche and behavior between the sexes
in terms of the sex-specific workings of hormones and the structure of the cerebral hemispheres.