The white rabbit was going around at her new surroundings. The boom was a bunch of kid's messing around with some firecracker's. The rabbit's response was to run away. Response mean's, The reaction of an organism when something happens to it. . The rabbit ran very, very fast she ran to a pile of snow to mimicry.
Mimicry mean's An adaptation that make's an animal look like a another animal or object.
Often an adaptation for defense. After the bunch of kid's were gone she stopped mimicrying. The fox is a stimulus. So the rabbit ran for it's life. Stimulus mean's, Anything that cause's an organism to respond.