How does the earth’s soil anchor all life on earth?

the correct option is option a

answer; /// i believe that the correct answer is; ///a combination of the birth and death

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

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