Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Ecology and Environment Ecosystem
The components of an ecosystem that are seen to function as a unit for its sustainability are:
1
Energy availability, nutrient cycle, water supply and decomposition
2
Productivity, energy flow, water cycle and decomposition
3
Decomposition, energy flow, productivity and nutrient cycle
4
More than one of the above
5
None of the above