Answer:
a plant or an animal that lives in or on another plant or animal and gets its food from it.
Parasites sometimes cause disease
The North American Culture that produced a large burial mounds in Ohio is the Hopewell. To be more specific the burial grounds were along the Ohio and Mississippi river valleys, this area was also used for a lot of their trading due to the rivers using dugout canoes.
Explanation:
People want to leave a legacy because they want to feel that their life mattered.