Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
The term ‘ecology’ was introduced by
1
Ernst Haeckel
2
E. P. Odum
3
A. G. Tansley
4
More than one of the above.
5
None of the above