Organisms of a higher trophic level which feed on several types of organisms belonging to a lower trophic level constitute the ....................

(a) food web.

(b) ecological pyramid.

(c) ecosystem.

(d) food chain.



Checking the options:

  • (a) food web - It is an interconnected network of many food chains in which an organism can occupy more than one trophic level. It feeds on different organisms of lower trophic levels and may be eaten by other organisms of higher trophic levels.
  • (b) ecological pyramid - It is a graphical representation showing the relationship between different organisms in the ecosystem.
  • (c) ecosystem - All the interacting organisms in an area along with the non-living constituents of the environment form an ecosystem. 
  • (d) food chain - It is a series of organisms where all the organisms depend on the next organism as a source of food.

So, the correct answer is (a).

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo