A prey is an animal that is being eaten by a predator.
- If prey population decreases in number, the predator population will also decrease because there is not enough food for predators to survive.
- If predator population decreases, the prey population will increase because less prey will be eaten by predators.
- If prey population increases, the predator population could also increase because there will be a lot of food for them.
- If predator population increases, the prey population must decrease because more predators will eat more prey.
