Question

A natural food web

• A. Only grazing food chains
• B. Several trophic levels
• C. Only plants
• D. Only carnivorous animals

Answer 1

Answer: (B)

Several trophic levels

Food webs largely define ecosystems, and the trophic levels define the position of organisms within the webs. But these trophic levels are not always simple integers, because organisms often feed at more than one trophic level.

So, the correct option is 'Contains several trophic levels'.