Question

A. Mobbing is a behavior that a social group of birds uses to respond to a predator threat to the entire group.

B. Mobbing is a behavior that adult birds use to respond to a
predator threat to nestlings.
C. Mobbing is a behavior that immature birds use to respond to a predator threat to themselves.
D. Mobbing is a behavior that individual birds use to respond to a predator threat to themselves.

Answer 1

I think the answer is B!