JAMB Biology 2007 Question 9

Question 9

Ecosystem and Ecological Factors

A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is

  1. A.temperature
  2. B.competition
  3. C.pH
  4. D.light.
Show the answer and explanation

Answer: B (competition)

Explanation

Biotic factors come from living things, such as competition, predation and parasitism. Temperature, pH and light are abiotic (non-living) factors.