Altruistic behavior: Behaviors benefit others rather than the individual committing the behavior....
4
Altruistic behavior: Behaviors benefit others rather than the individual committing the behavior. Human, rare in early childhood Nonhuman: sentinel behavior of meerkats—escape danger most quickly or surely.
-
date post
21-Dec-2015 -
Category
Documents
-
view
214 -
download
0
Transcript of Altruistic behavior: Behaviors benefit others rather than the individual committing the behavior....
Altruistic behavior: Behaviors benefit others rather than the individual committing the behavior.
Human, rare in early childhoodNonhuman: sentinel behavior of
meerkats—escape danger most quickly or surely.
Evolution of Altruistic Behaviors
Two possible explanations for altruistic behavior
Kin selection: selection in favor of a gene because it benefits the animal’s relatives who are likely to carry the same gene. This would be
“nepotistic altruism”
Reciprocal altruism: the idea that animals help those who help them in return. Requires good
sensory organs and a well-developed brain to recognize those who did the favor.