HomeIB ESSTopic 2.4

Climate and biomes

Topic 2.4 covers how energy flows through ecosystems via food chains, food webs, and trophic levels. Students learn to construct and interpret food webs, identify producers and consumers, and understand why energy is lost at each trophic transfer.

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IB ESS · Topic 2.4

Sub-topics in Topic 2.4

2.4.1Climate and weather2.4.2What a biome is2.4.3Abiotic factors and biome distribution2.4.4Groups of biomes2.4.5The tricellular model2.4.6Oceans and the distribution of heat2.4.7Global warming and shifting biomes