Question 34
Feeding Relationships and Energy FlowWhich of the following statements about the transfer of energy in an ecosystem is correct?
- A.Energy increases at higher trophic levels
- B.More organisms can be supported at higher levels
- C.There are fewer organisms at lower trophic levels
- D.Energy is lost at each trophic level.
Show the answer and explanation
Answer: D (Energy is lost at each trophic level.)
Explanation
At every step energy is lost as heat in respiration and in uneaten or undigested parts, so less passes on.