UPSC Exam > UPSC Questions > Autotrophs or producers are at the _______ t...
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Autotrophs or producers are at the _______ trophic level in a food chain.
- a)Primary
- b)Secondary
- c)Tertiary
- d)Quaternary
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Autotrophs or producers are at the _______ trophic level in a food ch...
Autotrophs or producers occupy the first trophic level in a food chain, as they are the primary energy converters that transform sunlight into chemical energy, initiating the flow of energy through the ecosystem.
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Autotrophs or producers are at the _______ trophic level in a food ch...
Understanding Trophic Levels
In an ecosystem, organisms are categorized into different trophic levels based on their role in the food chain. This classification helps in understanding the flow of energy and nutrients within an ecosystem.
What Are Autotrophs?
- Autotrophs, also known as producers, are organisms that can produce their own food through photosynthesis or chemosynthesis.
- Examples include plants, algae, and certain bacteria.
Position of Autotrophs in the Trophic Levels
- Autotrophs occupy the first trophic level in a food chain.
- This is because they are the primary source of energy for all other organisms.
Why are They Called Primary Producers?
- The term "primary producer" signifies their role in converting inorganic substances (like sunlight, water, and carbon dioxide) into organic matter (food).
- They form the base of the food chain and support all other trophic levels.
Flow of Energy in Ecosystems
- Energy flows from autotrophs to herbivores (primary consumers) and then to carnivores (secondary and tertiary consumers).
- Each subsequent trophic level relies on the energy produced by the level below it.
Conclusion
- Therefore, the correct answer to the question is option 'A': Autotrophs or producers are at the primary trophic level in a food chain.
- Understanding this fundamental concept is crucial for studying ecology and environmental science.
In an ecosystem, organisms are categorized into different trophic levels based on their role in the food chain. This classification helps in understanding the flow of energy and nutrients within an ecosystem.
What Are Autotrophs?
- Autotrophs, also known as producers, are organisms that can produce their own food through photosynthesis or chemosynthesis.
- Examples include plants, algae, and certain bacteria.
Position of Autotrophs in the Trophic Levels
- Autotrophs occupy the first trophic level in a food chain.
- This is because they are the primary source of energy for all other organisms.
Why are They Called Primary Producers?
- The term "primary producer" signifies their role in converting inorganic substances (like sunlight, water, and carbon dioxide) into organic matter (food).
- They form the base of the food chain and support all other trophic levels.
Flow of Energy in Ecosystems
- Energy flows from autotrophs to herbivores (primary consumers) and then to carnivores (secondary and tertiary consumers).
- Each subsequent trophic level relies on the energy produced by the level below it.
Conclusion
- Therefore, the correct answer to the question is option 'A': Autotrophs or producers are at the primary trophic level in a food chain.
- Understanding this fundamental concept is crucial for studying ecology and environmental science.
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Autotrophs or producers are at the _______ trophic level in a food chain.a)Primaryb)Secondaryc)Tertiaryd)QuaternaryCorrect answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Autotrophs or producers are at the _______ trophic level in a food chain.a)Primaryb)Secondaryc)Tertiaryd)QuaternaryCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Autotrophs or producers are at the _______ trophic level in a food chain.a)Primaryb)Secondaryc)Tertiaryd)QuaternaryCorrect answer is option 'A'. Can you explain this answer?.
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