2.2 Energy and biomass in ecosystemsIB Environmental Systems and Societies HL: Mind map
Energy laws
Trophic levels
Productivity
Energy and biomass
flow through ecosystems
energybiomasstrophic levels
Pollutants
HL: productivity and yield
Exam tips
Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).