What is the role of the nervous system in the body? A. To protect other organs and tissues
B. To send messages using blood cells
C. To gather and respond to information
D. To transport oxygen and carbon dioxide

the answer is d (apex) good luck : ))

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

its probably to later but whats the question

your answer is going to be physical weathering