Question

Which one is detritus food chain?

• A. Grass, Insects, Snakes
• B. Plankton, Small fish, Large Fish
• C. Organic matter, Bacteria, Molluscs
• D. All of the above

Answer 1

Answer: (C)

Organic matter, Bacteria, Molluscs

Detritus food chain is the type of food chain in which the dead organic matter called detritus are utilized to maximum level and there is minimum wastage of organic material. In this, the primary source of energy is dead organic matter, that is leaves, plant parts and dead animals. The primary consumers are called as detritivores. These include bacteria, fungi, protozoans. They are saprophytes. The secondary consumers include Molluscs. They feed on bacteria.

Thus, the correct answer is 'Organic matter, Bacteria, Molluscs.'