Unit 2 of IB Environmental Systems and Societies covers Ecology. This unit contains 6 topics and 31 sub-topics. Below you'll find free study notes, flashcards, and exam preparation resources for every topic in this unit.
Higher Level students should treat this unit page as a route map: revise the shared core, then use the HL notes and topic links to reach the extra depth and evaluation expected at HL.
HL Unit 2 extends ecological principles with more detailed quantitative analysis of energy flows, productivity calculations, complex nutrient cycling models, and deeper evaluation of human impacts. Students must interpret larger datasets and demonstrate more sophisticated ecological reasoning.
8 sub-topics
6 sub-topics
6 sub-topics
1 sub-topics
2 sub-topics
8 sub-topics
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