Neither the male or female demonstrate parental care.

"Studies show teachers refer kids who bother them, and we've been able to demonstrate that specifically African-American males demonstrate behavior that bothers teachers," he said.

The older males usually demonstrate their expertise with a long whip, including the ability to withstand self-flagellation of a bare torso with the whip in a fairly dramatic manner.

The males defended territories within the group and demonstrated typical physical forms of defense.

The silent males will sit for many hours near the resident males, and demonstrate low postures.

The male will not demonstrate any form of aggression towards the female.

Yet, both males and females demonstrated increased sensitivity to acute isoproterenol injection after repeated administration that resulted in significant cardiac hypertrophy [ 23, 24].

She implies that few white males demonstrate similar frailties.

Although males demonstrate little involvement in territorial disputes between neighboring communities, and ruffed lemur communities lack cohesiveness, females communally defend the community range against females of other communities.

According to this theory, a male who vigorously displays demonstrates that he has parasite resistant genes to the females.