Question

Which of the following statements about food chains is false?

• A. A single organism can feed at different trophic levels.
• B. The lower the trophic level at which the organism feeds, the more energy is available.
• C. All organisms that are not producers are consumers.
• D. Detritivores feed organisms of all trophic levels except those at the producer level.

Answer 1

Answer: (D)

Detritivores feed organisms of all trophic levels except those at the producer level.

There are many food chains which are interconnected to form the food web and so one organism can feed at different trophic levels in the different food chain.

There is a gradual decrease in the energy of the increasing trophic levels due to the loss of energy with each transfer. This is explained by the 10% energy law given by Lindman.

The producers are the organisms which can synthesize food and the organisms which feed on the other sources are known as consumers.

The detritivores are the organisms which feed on the dead matter of the organisms which belong to all the trophic levels.

Thus, the correct answer is option D.