SAT Biology Subject Test Practice Questions

Answer: E, I, II, and III only. Population growth of any animal, including rabbits, can be slowed by disease, a lack of food, and predators.

Key Takeaway: Without obstacles, the population of rabbits could grow at an exponential pace indefinitely. However, the ecosystem can only support a finite number of animals, and a lack of food is generally a hindrance to uncontrolled growth. In each community, every population has a niche, and for rabbits, that includes being low on the food chain for many animals, including weasels and foxes. Disease also slows population growth, as weaker animals will be killed by various illnesses.

Photo: Rabbits, Kessa Ligero - GNU License