Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: Deer provide food for wolves. How does this relationship also benefit the deer herd?
by controlling the deer population
Wolves help control herbivores that compete with deer for food, reducing competition and benefiting the deer herd.