Keystone Species

A species that has a very large effect on its environment and helps to determine the types and numbers of various other species in a community.

Kinship

family relationship

Knuckle Walking

walking on four limbs by partially supporting body weight on the middle phlanges (bones in finger); this form of locomotion is only seen in the African great apes, orangutans walk with their fists and monkeys walk on their palms

Kin Selection

selection for genetically-based behavior pattern that lowers an individual's own reproduction but raises a relative's fitness; a genetic explanation for selfless behavior among animals

Kinship

family relationship

Knuckle Walking

walking on four limbs by partially supporting body weight on the middle phlanges (bones in finger); this form of locomotion is only seen in the African great apes, orangutans walk with their fists and monkeys walk on their palms

Killer Buyers

Middlemen who travel from horse auction to horse auction, purchasing any horse they can. They eventually sell these animals to slaughterhouses for human consumption, but regularly subject horses to cruel and inhumane treatment—i.e. beating them, depriving them of food and water.