IB ESS — Topic 2.1

Species, populations

Topic 2.1 covers species classification, population dynamics, and the factors that control population size. Students learn about carrying capacity, S-curves and J-curves, limiting factors, and sampling methods — essential quantitative skills for IB ESS data analysis questions.

Sub-topics in Topic 2.1

2.1.1Organisms and species 2.1.2 Identification of Organisms 2.1.3Populations

Study Topic 2.1: Species, populations

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