2.1 Individuals, populations, communities and ecosystemsIB Environmental Systems and Societies HL: Mind map
Levels
Distribution and niche
Population change
Ecology levels
from individual to ecosystem
nicheKkeystone
Sampling
Ecosystem stability
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).