Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Ecology and Environment Ecosystem
The limitations of ecological pyramids are
1
It does not take into account the same species belonging to two or more trophic levels
2
Saprophytes are not given any place in ecological pyramids
3
It assumes a simple food chain and does not accommodate a food web
4
More than one of the above
5
None of the above