Which of the following statements regarding food chain is false?

Question

Which of the following statements regarding food chain is false? (A) In an aquatic ecosystem, grazing food chain is the major conduit for energy flow. (B) In terrestrial ecosystems, a large fraction of energy flows through detritus food chain. (C) The detritus food chain begins with dead organic matter. (D) Primary consumers belong to the first trophic level.

Tardigrade Admin · Accepted Answer

Primary consumers belong to second trophic level. They depend on plants (directly or indirectly) for their food needs. They are also known as herbivores, e.g., zooplankton, grasshopper, and cow.

Q. Which of the following statements regarding food chain is false?

In an aquatic ecosystem, grazing food chain is the major conduit for energy flow.

In terrestrial ecosystems, a large fraction of energy flows through detritus food chain.

The detritus food chain begins with dead organic matter.

Primary consumers belong to the first trophic level.

Animals like cockroaches and crows are omnivores.

Primary consumers belong to second trophic level. They depend on plants (directly or indirectly) for their food needs. They are also known as herbivores, e.g., zooplankton, grasshopper, and cow.