A) describes only behavior that is intended to inflict harm on another organism.
B) includes behaviors on both sides of a conflict between conspecifics, both initiator and receiver.
C) usually includes interspecific interactions related to attacks by predators.
D) usually includes interspecific interactions related to responses to predators, such as fleeing.

A) a submissive display by a subordinate
B) a territorial song
C) an alarm call in response to a predator
D) an overt fight between two group members

A) animals displayed restraint in fighting for the good of the species as a whole.
B) animals would always fight to their maximum ability.
C) natural selection favors the individual that behaves for the sake of other individuals that are related to it.
D) natural selection favors the individual that passes on more of its own genes.