IB ESS HL 2.2.27 Hl Lower Trophic Level Yields Questions
Explain why harvesting lower trophic levels can alter yield and ecosystem stability.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- explain why plant-based or lower-trophic diets use more captured energy and support higher sustainable yields
Learn this topic
IB ESS HL 2.2.27 Hl Lower Trophic Level Yields Questions question 1
[Maximum number: 2]
Identify two reasons why a human vegetarian diet is considered to be more energy efficient than a diet containing meat.
eating lower down the food chain;
less land area to produce the food needed;
more efficient use of the energy fixed by photosynthesis;
less energy lost to respiration and wastes;
entropy increases so energy cannot all be passed to the next trophic level;
All question bank results loaded