It would be D. being able to eat plants that survive in the changed environment
Hope this helps :))
The process that occurs before hypothesis is Identifying the variables.
Answer:Use the word RNA (Ribonucleic acid) in a sentence
Explanation:Viruses represent a large group of infective agents that are composed of a core of nucleic acids, either RNA or DNA, surrounded by a layer of protein.
Decrease as the more frogs there are the more flies will be eaten so that means the flies will decrease.Also if the flie population gets low enough the frog population would shrink too to balance it.