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JAMB Biology 2005 Question 38

Question 38

Population Ecology

The population density of Tridax in an abandoned square farmland of side 200 m was found to be 5 plants per m2. The population size of the plant on the farm is

  1. A.40
  2. B.1 000
  3. C.40 000
  4. D.200 000
Show the answer and explanation

Answer: D (200 000)

Explanation

Area = 200 m × 200 m = 40 000 m². Population = 5 × 40 000 = 200 000 plants.