Linnaeus' classification system is based on physical similarities. Today, sicentits use molecular and research to determine relationships between organisms?

it's unlikely a majority of a large population would agree on issues

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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

c. is the correct answer