In an ecosystem energy flows in
One direction
Two direction
Four direction
All directions
(a)Energy flow is unidirectional i.e., from producers to secondary consumers and not back.
Trees $\rightarrow$ Birds $\rightarrow$ Lice $\rightarrow$ Bacteria. Thus food chain is
Transfer of material and energy from one ecosystem to other ecosystem is best examplified by
In ecological crisis, whom interference play important role
Which of the following is correct sequence in food chain
The trophic level of S-bacteria and cyanobacteria is
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