Question 32
Feeding Relationships and Energy FlowWhich of the following statements about ecosystems is false?
- A.All the energy entering the ecosystem is passed on to decomposers
- B.The primary producers provide energy for herbivores and carnivores
- C.Ecosystems must start with the capture of energy by autotrophs
- D.Energy transfer from one trophic level to the other is not 100% efficient.
Show the answer and explanation
Answer: A (All the energy entering the ecosystem is passed on to decomposers)
Explanation
Much of the energy entering an ecosystem is lost as heat at each level, so not all of it reaches the decomposers.