Question

Which of the following hypotheses can explain the evolution of cooperation?

A. Kin selection

B. Reciprocity (= reciprocal altruism)

C. Group selection

D. A and C

E. A, B, and C

Answer 1

Answer- E. A, B, and C ( All three hypotheses; Kin selection , Reciprocity and Group selection supports evolution of cooperation. Group selection is natural selection at the leval of group, members of group shows cooperation to increase their reproductive fitness. For example cooperative parental caring in elephants. In kin selection one organism increases reproductive fitness of relative organisms at the cost of his own survival and reproductieve fitness . In reciprocity , one organism help other oraganism with expectation that in future other will help him. All these behaviours supports the evolution of cooperation).