Trophic levels, pyramids and efficiency
Trophic levels, drawing pyramids of biomass to scale, why biomass is lost at each step, and calculating the efficiency of transfer (Biology only).
You will be able to
- Number the trophic levels in a chain
- Draw a pyramid of biomass to scale
- Calculate the efficiency of biomass transfer between levels
- Explain where the lost biomass goes
20 minutes, 9 exam-style questions.