Chapter 13 Earth as a System: Energy, Matter, and Life - Part 5

Why are food chains usually limited to four or five trophic levels?

Type: MCQ • Marks: 1
Why are food chains usually limited to four or five trophic levels?
Options
A. Energy increases at each level
B. Energy loss at each level limits longer chains
C. Consumers make their own food
D. Producers are unlimited
Explanation
Only about 10% of energy passes to the next level, restricting chain length.
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Class 9th Science (MCQ)

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