How do you think the change in
chlorophyll levels is a response to changes in
the length of day from summer to fall?

Explanation:

Since the sun is out for less time when the days shorten the chlorophyll levels drop, which is why the leaves turn brown or other colors then fall.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

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