The principal prediction that can be made from the expression Br C is that _____.
A)natural selection will favor cooperation among close relatives
B)cooperation evolves because it benefits all members of a species
C)cooperation evolves because it enhances the species' fitness
D)selection favors self-sacrifice in reproduction
E)natural selection will favor cooperation among any individuals

Question

The principal prediction that can be made from the expression Br > C is that _____.
A)natural selection will favor cooperation among close relatives
B)cooperation evolves because it benefits all members of a species
C)cooperation evolves because it enhances the species' fitness
D)selection favors self-sacrifice in reproduction
E)natural selection will favor cooperation among any individuals

Quizplus · Accepted Answer

The expression Br > C is Hamilton's rule, which predicts that natural selection will favor cooperation among close relatives when the benefit to the recipient (B) multiplied by the coefficient of relatedness (r) is greater than the cost to the actor (C).

The Principal Prediction That Can Be Made from the Expression