passwella.
Menu

WAEC Biology 2004 Question 38

Question 38

Feeding Relationships and Energy Flow

The continuity of an ecosystem depends on constant flow of energy and circulation of matter. However, the amount of energy passed on from decomposers to producers should be

  1. A.great
  2. B.small
  3. C.reversible
  4. D.zero
Show the answer and explanation

Answer: D (zero)

Explanation

Matter is recycled, but energy is not: producers get their energy only from sunlight. Decomposers pass nutrients back to plants, not energy.