An alarm call benefits multiple individuals that are both related and unrelated (r = 0). Can this cooperation still evolve according to Hamilton's rule? (There are 1, 2,…, A individuals that are related to the donor by r1, r2,…, rA and receive benefits b1
a. No, unrelated individuals will automatically set the benefits to 0 as Hamilton's rule for multi-ple individuals is .
b. No, this case no longer addresses inclusive fitness and Hamilton's rule does not apply.
c. Yes, if there are more related individuals benefiting than unrelated individuals as Hamilton's rule for multiple individuals is.
d. Unrelated individuals will have no effect as Hamilton's rule for multiple individuals is.
D
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