The correct answer is option C, species evolve rapidly
Reason -
In adaptive radiation, the ancestral species diversifies at a fast rate and results into new species which have resulted due to changing climatic and environmental conditions. For example the mammals, reptiles, birds etc. all evolved from the dinosaurs after their extinction. The major impacts of adaptive radiation can be visualized when an organism moves to a new area and therefore transforms to survive.
No they aren't scavengers they are parasites.
C is the answer because water and carbon dioxide are left over after and
mitochondria is the thing in the cell that converts everything.