The correct answer is option a.
The behavioral and physical adaptations signify towards the behaviors, which an animal has that increases its survival in the environment. The zebras exhibit various behavioral and physical adaptations that assist them to evade predators and to take benefit of the food source.
The zebras are the social animals and they thrive in the herd that can be as big as of 1000 zebras. The zebras usually establish smaller groups, which range from 5 to 20 within the herd. The zebras also contain stripes that they utilize to camouflage, they also exhibit many kinds of teeth that increase their chances of survival in their surroundings.