Which is not a limitation of the ecological pyramid ?

Options

A. Pyramid does not take into account the same species belonging to two or more trophic levels.
B. Pyramid assumes a simple food chain , something that almost never exist in nature.
C. Pyramids accommodate a food web
D. Saprophytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.

Answer

C

Explanation

There are certain limitations in the ecological pyramids:
1. Pyramids does not take into account the same species belonging to two or more trophic levels. E.g.: Sparrow and insectivorous plants.
2. It assumes a simple food chain something that almost never exist in nature.
3. It does not accommodate a food web.
4. Moreover decomposer or saprophytes are not given any place in ecological pyramids even through they play a vital role in the ecosystem.