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Post-UTME Biology 2017 Objective — Question 13

Question 13 of 20 from the Post-UTME Screening (Post-UTME) Biology 2017 Objective paper, with the correct answer and a full explanation.

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Which of the following groups of characteristics best describes an ecosystem?

  • A. Population growth, material cycle, stability and constant energy loss
  • B. Species diversity, stability, energy flow and material cycleCorrect
  • C. An assemblage of species, food competition and energy gain
  • D. Species of an organism, stability, energy flow and material cycle

Explanation

An ecosystem is best characterised by species diversity, stability, energy flow through trophic levels, and cycling of materials/nutrients.

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