<span>Dr. Stott is researching epigenetics. Epigenetics is the study of changes that occur in gene expression with no changes in the actual gene sequences. Environmental factors can influence gene expression without changing the DNA sequence, making this the study of epigenetics.</span>
Answer: A . How much energy does it take to make a paper bag
Explanation: Apex
Answer:
a and d is in woody and herbaceous stems
Explanation:
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B). A population changes in response to a change in the environment.