Identify the purpose of a reference point

A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. Objects that are fixed relative to Earth – such as a building, a tree, or a sign - make good reference points.

Explanation:

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Reference Point. A place or object used for comparison to determine if an object is in motion.

Explanation:

Quizlet

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation:

b - the respond is innate and varies over time.

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