The first trophic level in a food chain is always a green plant. why?
The first trophic level in a food chain is always a green plant. why?
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The first trophic level is always a green plant because only plants can utilise the radiant energy of the sun and transform it to chemical form during photosynthesis.
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Only green plants can make their own food from sunlight. Green plants therefore, always occupy the 1st trophic level in a food chain.
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Only green plants can make their own food from sunlight. Green plants therefore, always occupy the 1st trophic level in a food chain.
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