2.1
Individuals, populations, communities, and ecosystems
Ecological organization, species and niches, population dynamics, field sampling, ecosystem stability, biosphere integrity
2.2
Energy and biomass in ecosystems
Energy transformations, Trophic relationships, Productivity, Ecological pyramids, Pollutant transfer, Sustainable yields
2.3
Biogeochemical cycles
Nutrient cycling, Carbon stores and flows, Nitrogen cycle, Human disruption, Planetary boundaries
2.4
Climate and biomes
Weather and climate, Biome distribution, Atmospheric and ocean circulation, ENSO, Tropical cyclones
2.5
Zonation, succession and change in ecosystems
Environmental gradients, Transects, Ecological succession, Resilience, Productivity, Climax communities
The Ultimate All-in-One
IB Platform
All content on this website has been developed independently from and is not endorsed by the International Baccalaureate Organization. International Baccalaureate and IB are registered trademarks owned by the International Baccalaureate Organization.