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The average value for the amount of organic matter that is present at each step and reaches the next level of consumers is
- a)1%
- b)20%
- c)5%
- d)10%
Correct answer is option 'D'. Can you explain this answer?
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Understanding Energy Transfer in Ecosystems
In an ecosystem, energy transfer occurs through various trophic levels, starting from producers to consumers. The average energy, or organic matter, that is transferred from one level to the next is known as the "trophic efficiency."
Energy Loss at Each Trophic Level
- Energy diminishes as it moves through trophic levels due to several factors:
- Metabolic Processes: Organisms use energy for growth, reproduction, and maintenance.
- Heat Loss: Energy is lost as heat during metabolic activities.
- Undigested Material: Not all parts of consumed organisms are digestible, leading to energy loss.
Rule of Thumb: 10% Transfer Efficiency
- The 10% Rule states that, on average, only about 10% of the energy from one trophic level is passed to the next.
- This means:
- If a primary producer captures 1000 units of energy, only about 100 units are available to the primary consumers that eat them.
- Subsequently, only around 10 units would be available to secondary consumers.
Example of Trophic Levels
- Producers: Capture solar energy (e.g., plants).
- Primary Consumers: Herbivores that eat producers.
- Secondary Consumers: Carnivores that eat primary consumers.
In conclusion, the correct answer to the question regarding the average value of organic matter reaching the next level of consumers is 10%. This efficiency reflects the fundamental principle of energy transfer in ecological systems.
In an ecosystem, energy transfer occurs through various trophic levels, starting from producers to consumers. The average energy, or organic matter, that is transferred from one level to the next is known as the "trophic efficiency."
Energy Loss at Each Trophic Level
- Energy diminishes as it moves through trophic levels due to several factors:
- Metabolic Processes: Organisms use energy for growth, reproduction, and maintenance.
- Heat Loss: Energy is lost as heat during metabolic activities.
- Undigested Material: Not all parts of consumed organisms are digestible, leading to energy loss.
Rule of Thumb: 10% Transfer Efficiency
- The 10% Rule states that, on average, only about 10% of the energy from one trophic level is passed to the next.
- This means:
- If a primary producer captures 1000 units of energy, only about 100 units are available to the primary consumers that eat them.
- Subsequently, only around 10 units would be available to secondary consumers.
Example of Trophic Levels
- Producers: Capture solar energy (e.g., plants).
- Primary Consumers: Herbivores that eat producers.
- Secondary Consumers: Carnivores that eat primary consumers.
In conclusion, the correct answer to the question regarding the average value of organic matter reaching the next level of consumers is 10%. This efficiency reflects the fundamental principle of energy transfer in ecological systems.
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The average value for the amount of organic matter that is present at each step and reaches the next level of consumers isa)1%b)20%c)5%d)10%Correct answer is option 'D'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about The average value for the amount of organic matter that is present at each step and reaches the next level of consumers isa)1%b)20%c)5%d)10%Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average value for the amount of organic matter that is present at each step and reaches the next level of consumers isa)1%b)20%c)5%d)10%Correct answer is option 'D'. Can you explain this answer?.
The average value for the amount of organic matter that is present at each step and reaches the next level of consumers isa)1%b)20%c)5%d)10%Correct answer is option 'D'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about The average value for the amount of organic matter that is present at each step and reaches the next level of consumers isa)1%b)20%c)5%d)10%Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average value for the amount of organic matter that is present at each step and reaches the next level of consumers isa)1%b)20%c)5%d)10%Correct answer is option 'D'. Can you explain this answer?.
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