Introducing a predator means there will be less prey which will help balance the population of prey. Some predators may run out of food and there might be no prey left for them. If the prey were removed the predator population would decline.
Answer:
It allows flexibility (adjustment) and survival of a population in the face of changing environmental circumstances.
Explanation:
The nitrogen containing amino group is recycled while the remainder of the molecule is excreted in the urine
