Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Biology Ecology & Environment
The flow of nutrients and energy from one organism to another at different trophic levels is known as:
1
food chain
2
food web
3
food processin
4
More than one of the above
5
None of the above.