I will give brainiest! Choose a tool or a device you can investigate. It must not have any source of power other than the person using it. It must use one or more of the six simple machines. Explain how the tool or device is used. What work does a person do while using it? What kind of motion do we see when it’s used?
Actually answer a straight answer or I will report your answer and account.

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Explanation:

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Explanation:

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the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects