passwella.
Menu

WAEC Geography 1991 (August) Question 31

Question 31

The Ecosystem

The most critical element in an ecosystem is the

  1. A.growth per day
  2. B.energy flow within the system
  3. C.number of species in the system
  4. D.extent of area covered by the system
  5. E.location of the system
Show the answer and explanation

Answer: B (energy flow within the system)

Explanation

All life in an ecosystem depends on the flow of energy from the sun through food chains.