Biology
The plants or the producers which fix the solar energy constitute the
- second trophic level
- third trophic level
- fourth trophic level
- first trophic level
Ecosystems
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Answer
first trophic level
Reason — All food chains start with plants as only green plants can trap energy from the sun and convert it into chemical energy present in food. Hence, they constitute first trophic level of any food chain.
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