Populations of predators increase when populations of prey are high because

Populations of predators increase when populations of prey are high because there is less competition for food. The reason many animals start breeding in the Spring season in the Americas is because there is an abundance of insects from plant influx, which follows by those that eat the insects, then are consumed by those on top of the food chain. Also, since there is an abundance of food, it becomes a prime time for breeding, resulting in more predators as a whole.

disposable

Explanation:

Biodegradable products do not really present any problems because they can decompose on their own, thus they do not create any pollution. Aluminum is not as dangerous to the environment as plastics, for example.