IB Biology SL 4.2.14 Restrictions on trophic levels Question Bank
Practise IB Biology SL 4.2.14 by explaining how energy loss limits the number of trophic levels.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Explain why energy transfer between trophic levels is inefficient.
- Relate energy loss to the small number of trophic levels in most food chains.
C4.2.14—Restrictions on trophic levels question 1
The diagram shows a leaf from Dryopteris arguta.
Outline why the number of trophic levels is limited in a food chain.
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