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WAEC Biology 2012 Question 48

Question 48

Population Ecology

Which of the following factors would be least likely to act as a density dependent limiting factor in a population of mice?

  1. A.Build up of waste products
  2. B.Predation
  3. C.Parasitism
  4. D.Unfavourable climate
Show the answer and explanation

Answer: D (Unfavourable climate)

Explanation

Density-dependent factors grow stronger as a population gets crowded (waste, predators, parasites). Weather affects the population the same way however many mice there are, so it is density independent.