Question 3, the answer is Zygote
Sorry that's the only one I can answer for sure right now.
The answer is dependent variable.
Another difference would be that DNA contains the 5 carbon sugar deoxyribose while RNA usually contains the 5 carbon sugar of ribose. One differs from the other, as ribose has an additional hydroxyl group bonded to one of the carbon atoms, where as deoxyribose does not.
Photosynthesis I think im not 100% sure beb
A bottleneck is very narrow, which means that only a portion of the contents of the bottle cat get out (at the time).
From this effect, people use the word bottleneck when only a few individuals of a population survive:
the answer is: I<span>nsecticide spraying eliminates all but a few of the beetles on an island.</span>