Describe the terms, evolution, adaption, and natural selection.

Evolution- the change in a species over time Adaptation- a change in a species that betters their survival
Natural selection- the idea that organisms that aren’t fit for the environment die off and only the organisms fit for the environment survive and can pass there traits to the next generations. Hope this helps at least get you started! :))

The answer is a: the eggs have half as many chromosomes as the body cells