Question

Find the incorrect statement.

• A. In terrestrial ecosystem larger fraction of energy flow occurs through DFC.
• B. Pyramid of energy is always upright.
• C. In comparison to food chains, food webs are more stable.
• D. Detritus food chain is not at all connected with aquatic food chain at any level.

Answer 1

Answer: (D)

In nature detritus food chain is connected with grazing food chain at some levels; some of the organism of DFC are prey to the GFC animals, and in natural ecosystem some animals like cockroaches, crows etc are omnivores. These natural interconnection of food chains makes a food web.