What do you call a person who studies plants and animals?

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a. the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

According to the cladogram, which organisms have roundworms as a common ancestor?

Which best describes what you will do in the reaching your academic potential course?