animal behavior part 2

Question 1

Inclusive Fitness

Answer 1

Sum of an individual’s direct fitness and
indirect fitness (number of offspring of kin)

Question 2

natural selection favors animals that help a _______ _______ perpetuates some of helper’s own ______

Answer 2

relative indirectly, alleles

Question 3

Hamilton’s Rule An altruistic act is adaptive if (3)

Answer 3

– indirect fitness benefits are high for animals
that are helped
– recipients are close relatives of altruist
– direct fitness cost to altruist is low

Question 4

Kin Selection

Answer 4

Type of natural selection that increases inclusive fitness through successful reproduction of close relatives

Question 5

Reciprocal Altruism

Answer 5

Type of cooperative behavior in which helper does not immediately benefit
– but is helped later by animal it helped

Question 6

Insect societies tend to be

Answer 6

rigid

Question 7

Culture (in some birds and mammals)

Answer 7

earned behavior common to a population

– transmitted from one generation to the next