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WAEC Biology 2009 Question 44

Question 44

Population Ecology

Population growth rate may be defined as the

  1. A.mortality rate per unit area over a period.
  2. B.number of times an organism occurs within a given period.
  3. C.number of a particular species per unit area.
  4. D.net rate of natality and mortality in the habitat over a period.
Show the answer and explanation

Answer: D (net rate of natality and mortality in the habitat over a period.)

Explanation

Growth rate is the balance of births (natality) against deaths (mortality) over a period of time.