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WAEC Biology 2009 Objective — Question 33

Question 33 of 60 from the West African Examinations Council (WAEC) Biology 2009 Objective paper, with the correct answer and a full explanation.

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The distribution of organisms in a fresh water habitat like a stream or pond is determined by the following factors except

  • A. A. light penetration
  • B. B. pH of the soilCorrect
  • C. C. rainfall
  • D. D. temperature

Explanation

Aquatic organisms are not affected by edaphic (soil) factors, so pH of the soil is the exception among the listed factors affecting distribution of organisms in a fresh water habitat.

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