Which of these is an innate adaptation?

hunting in packs

mating

fighting for protection

all behaviors are innate.

B. Mating

Explanation:

Innate behavior is behavior that occurs naturally in all members of a species. For innate behavior to occur, it just needs a particular stimulus to trigger it. Innate behavior is also called instinctive behavior.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.