Class 12 NEET Biology Ecosystem Questions

There are certain limitation of ecological pyramids.
Such as :
• It does not take into account the same species belonging to two or more trophic levels.
• It assumes a simple food chain, something that almost never exists in nature.
• It does not accommodate a food web.
• Saprophytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.