It is D. <span>chloroplast.</span>
It might change over time to compensate fir its environment
The answer is C. A catalyst speeds up the rate of a chemical reaction. However, it is not consumed during the course of the day.
Answer:
Zygote, fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm). In the embryonic development of humans and other animals, the zygote stage is brief and is followed by cleavage, when the single cell becomes subdivided into smaller cells
Explanation:
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Mark Brainliest