Carnivores are
Usually primary consumers
Usually secondary consumers
Usually secondary or tertiary consumers
Usually decomposers rather than consumers
Fill in the trophic levels $(1, 2, 3$ and $4)$ in the boxes provided in the figure.
In an ecosystem in abiotic components which of the following occur
First link in any food chain is a green plant because
In an ecosystem, the insectivorous plants are placed in
The trophic level of S-bacteria and cyanobacteria is