Dna is made up of many smaller molecules called .
a) chromosomes
b) phosphates
c) nucleus acids
d) nucleotides

d

Explanation:

DNA is made of chemical "building blocks" called nucleotides that are linked together in a chain-like structure.

the correct answer is ( hypoglycemia ); good luck

explanation:

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