IB Biology — Topic 3.8

Populations and communities

C4.1

Sub-topics in Topic 3.8

3.8.1Populations, communities & ecosystems3.8.2Abiotic & biotic factors and distribution3.8.3Estimating population size & sampling3.8.4Carrying capacity & population growth3.8.5Interspecific relationships3.8.6Competitive exclusion, niche & allelopathy3.8.7Keystone species

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