Answer:
mitochondria and chloroplast
Explanation:
Mitochondria : generates energy
Chloroplast : converts energy from solar energy to chemical energy in form of ATP
The founder effect: is the reduction in genetic variation that occurs when a small subset of a large population is used to establish a new colony. The new population can be very different from the original population, both in their genotypes and in their phenotypes.
I think its D I'm not quite sure but with RNA the A changes to a U.