It’s actually D!If the prey can’t eat enough food because of limited plants they die off which means the predators die off!
Well, villi helps the intestine absorb, therefore, it helps the intestine absorb more nutrients. I hope this helps!
D) Used as a source of energy when needed for a reaction. For example, adenosine triphosphate (ATP) is produced during Glycosis, which is the process of cellular respiration.
Eukaryotic cells are larger than prokaryotic cells and have a “true” nucleus, membrane-bound organelles, and rod-shaped chromosomes. The nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes