The dna of the organisms, also compare it to similar fossils and other organisms.
It’s B.
The top one with the most is kingdom, then it’s phylum which they share, but they don’t have the same class
TRANSFORMATION IS THE ONLY THING I CAN THINK OF
Answer:
Wolves decreases deer population and increases vegetation.
Explanation:
The deer population decreases due to the reintroduction of wolves because wolves kill and feed on deer which automatically decreases the population of deer in the Yellowstone. Wolves are the top predator which controls the population of herbivores such as deer or elk etc that eats all vegetation due to absence of wolves so the introduction of wolves increases vegetation also.