Question

Which is not a limitation of the ecological pyramid?

• A. Pyramid does not take into account the same spe cies 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 1

Answer: (C)

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 though they play a vital role in the ecosystem