The first link in any food chain is always a green plant because
The first link in any food chain is always a green plant because
- A
They are widely distributed
- B
They are firmly fixed to the soil
- C
They alone have a capacity to fix atmospheric $CO_2$ in the presence of sunlight
- D
All of the above
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Name an omnivore which occurs in both grazing food chain and the decomposer food chain.
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Total energy fixed by an ecosystem is called
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