Answer:
The stage of cellular respiration which yields the most ATP is the electron transport chain.
Explanation:
The people who represented the Denisovan species are more likely to be related to <span>Neandertals, rather than human beings (Homo sapiens). The former differs from the latter at 202 positions of the mitochondrial DNA. Their fossil records claim that humans, Denisovans, and Neandertals have the same ancestry. </span>
Free-living flat worms = carnivores or scavengers
Have digestive cavity, mouth, pharynx
Parasitic Flatworms: = Feed on blood, tissue fluids, or pieces of cells from within a host