This goes with my other question

C) grass--> grasshopper --> frog --> snake --> hawk

Explanation:

grass hopper eat grass

frogs eat insects

snakes eat small rodents and frogs

hawks eat snakes

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms