Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
1
Oceans, lakes, grasslands mangroves
2
mangroves, oceans, grasslands, lakes
3
Mangroves, grasslands, lakes, oceans
4
More than one of the above
5
None of the above