Which of the following statements about altruistic behaviors is true?
A) Natural selection can never favor altruistic behavior.
B) Among most social mammal species, males are more likely than females to be helpers.
C) Genetic relatedness as a motivator of altruistic behavior is restricted to the parent-offspring relationship.
D) In Florida scrub jays, young birds often delay dispersal and help their parents raise more offspring.
E) All of the above

Question

Quizplus · Accepted Answer

Option D is true because Florida scrub jays often delay dispersal and help their parents raise more offspring. Option A is incorrect because natural selection can in fact favor altruistic behaviors. Option B is incorrect because studies have shown that females are more likely to be helpers in some social mammal species. Option C is incorrect because genetic relatedness can also motivate kin selection and cooperation among siblings or close relatives.

Which of the Following Statements About Altruistic Behaviors Is True