WAEC Biology 1992 Question 44

Question 44

Nutrient Cycling

The pathway through which nutrient elements are replenished and circulated in an ecosystem is called a

  1. A.cycle
  2. B.food chain
  3. C.food web
  4. D.Kreb's cycle
  5. E.pyramid of numbers
Show the answer and explanation

Answer: A (cycle)

Explanation

Nutrients go round and round in cycles (e.g. carbon, nitrogen cycles).