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Animal Behavior Cooperation
Cooperation
12
Biology
Undergraduate 4
04/07/2010

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Term
Societies
Definition
chimpanzees and other species are members of structured groups
Term
Fitness Benefits of Living in Groups (8)
Definition
Improved foraging
Decreased risk of predation
Conservation of water and heat
Decreased energetic costs of movement
Facilitate mating
Division of labor
Better learning environment
Aiding (and receiving aide) kin
Term
Costs of Social Behavior (3)
Definition
Increased competition for resources
Increased disease and parasite risk
Interference with reproduction
Term
Mutualism
Definition
cooperation; both parties benefit immediately
Term
By-product mutualism
Definition
as a consequence of behaving selfishly, the donor inadvertently benefits the recipient.
Term
Reciprocal Altruism or Reciprocity
Definition
the trading of altruistic acts in which benefit is larger than cost; over a period of time both participants enjoy a net gain
Term
Altruism
Definition
Self-sacrificing behavior; providing a social benefit with no return
Term
Kin Selection
Definition
preferentially give aid to relatives
Term
Cooperative hunting
Definition
in groups improves foraging success
Term
Otimal size of pack size
Definition
Natural selection selects on the packs that have the highest average amount of energy spread out per person in a pack.
Term
Information Centers
Definition
Communal roosts or colonies act as information centers.
Term
Drafting
Definition
Riding close behind in the slipstream of another bird.
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