Question
Biology Question on Eco-System
Which of the following statements about the food chain is false?
A
Detritus food chain begins with dead organic matter.
B
Carnivores are secondary consumers
C
Primary consumers are herbivores.
D
Earthworm, in detritus food chain is a primary producer.
Answer
Earthworm, in detritus food chain is a primary producer.
Explanation
Solution
Detritus food chain begins with dead organic matter. Detritivores (e.g., earthworm) and decomposers feed over it and get energy. A detritus food chain is often connected to a grazing food chain where detritivores and decomposers are consumed by small carnivores which in tum are eaten by larger carnivores and so on. A detritus food chain can be exemplified as follows