2.1 Individuals, populations, communities and ecosystemsIB Environmental Systems and Societies SL: Mind map
Levels
Distribution and niche
Population size
Ecosystem levels
individuals to biosphere
N = n₁n₂ ÷ m₂nicheK
Sampling
Ecosystems
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).