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Unilorin Post-UTME Biology 2022 (Model questions) Question 3

Question 3

Ecosystem and Ecological Factors

The sum total of the biotic factors that affect living things is referred to as

  1. A.environment
  2. B.lithosphere
  3. C.hydrosphere
  4. D.atmosphere
Show the answer and explanation

Answer: A (environment)

Explanation

Everything around an organism that affects it is its environment. Lithosphere, hydrosphere and atmosphere are the land, water and air.