12 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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5.8 Transfer along a food chain
Exam question
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Explain why only about 10 % of the energy in one trophic level is passed to the next.
(3)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 3 marks
5.8 Transfer along a food chain
Exam question
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Which is NOT a way energy is lost between trophic levels?
(1)Total for this question: 1 mark
5.8 Transfer along a food chain
Exam question
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Explain why mammals lose more energy than fish.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Explain why food chains are short.
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Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Suggest why eating plants is more energy-efficient for humans than eating meat.
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Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Grass receives 20 000 kJ. If 10 % is passed on at each level, calculate the energy reaching a secondary consumer.
(2)Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Explain why movement increases energy loss.
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Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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State two ways energy is lost from a cow.
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Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Explain why keeping animals indoors increases efficiency of meat production.
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Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Identify the process that releases most of the energy lost at each trophic level.
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Total for this question: 1 mark
5.8 Transfer along a food chain
Exam question
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Suggest an ethical concern about keeping animals indoors to improve energy efficiency.
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Total for this question: 2 marks
5.8 Transfer along a food chain
Exam question
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Describe what happens to energy in undigested food.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
