Unit 3 of IB Environmental Systems and Societies covers Biodiversity and Conservation. This unit contains 3 topics and 15 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 3 adds the Simpson diversity index, extended case studies of conservation effectiveness, and deeper statistical analysis of biodiversity data. Students must calculate and interpret diversity indices and evaluate conservation strategies with greater quantitative rigour.
Get expert practice questions with instant AI feedback, and a study planner tailored to your IB ESS HL exam date.
Start studying free