This gives rise to different selection pressure on males and females.

But he said that the focus of their work had been on males and so not much could be concluded about behavioral changes in females.

The company's target demographic are focused primarily on males between 10 to 30.

Both specimens are female; this species currently lack information on males.

Both movies look at the pressures on young black urban males.

Females will often feed on males before or after mating.

Tails on both males and females can be up to 1 m long.

She's never going to get anywhere if she tries to beat up on males, especially a catch like me.

But at the moment I'm long on female clients and short on males.

As a result of female choice, sexual selection is imposed on males.