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.

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?