LIFE SCIENCE

Detailed explanation-1: -As predator populations increase, they put greater strain on the prey populations and act as a top-down control, pushing them toward a state of decline. Thus both availability of resources and predation pressure affect the size of prey populations.

Detailed explanation-2: -Generally the answer is that without predators to suppress their number, prey outstrip available food resources, nesting sites, or some other limited resource and thus begin to suppress their further growth through competition.

Detailed explanation-3: -With no predators to control the population and alter feeding behavior, the prey species quickly degrade and over-run its habitat. As food becomes scarce, the population becomes sick and malnourished, and will either move or crash.

Detailed explanation-4: -Too many predators and not enough prey leads to predators starving and dying because they can’t find enough food. Too many prey and not enough predators leads to the spread of disease and depletion of resources for the prey species and others that live in their habitat.