In a food chain of grassland ecosystem, the top consumers are
Carnivores
Herbivores
Either carnivores or herbivores
Bacteria
(a)Because carnivorous are not eaten by others.
Give differences : Food chain and food web
Primary producer of an ecosystem is
What will happen to an ecosystem if :
$(a)$ All producers are removed;
$(b)$ All organisms of herbivore level are eliminated; and
$(c)$ All top carnivore population is removed
How many food chains are there in the food web shown above?
Explain energy flow in ecosystem.
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