Answer:
to indicate the smallest unit of a repeating substance
Explanation:
Answer:
D: All levels contain the same amount of energy
Explanation:
This is due to how the number of animals also increase as the energy pyramid level decreases.
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A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
8. Yes it's an organic molecule because it contains nitrogen and oxygen, among other elements needed for a molecule to be labeled as organic.