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Post-UTME Biology 2019 Objective — Question 16

Question 16 of 20 from the Post-UTME Screening (Post-UTME) Biology 2019 Objective paper, with the correct answer and a full explanation.

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In an ecological study, the biotic factors are

  • A. rainfall, light and temperature
  • B. general atmospheric conditions
  • C. the effects of living things on the ecosystemCorrect
  • D. the structures on the earth's surface

Explanation

Biotic factors are the living components of an ecosystem and their effects on it (e.g. predation, competition), as opposed to abiotic (physical) factors like rainfall or temperature.

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