Arrows go from each prerequisite to the units that depend on it. Hover or focus a unit to highlight its path.
- Evolution as change in heritable population composition across generations article
- Ecological organization from organisms to populations, communities and ecosystems article
- Detritus, decomposers and mineralization of organic matter article
- Energy flow versus matter cycling in ecosystems article
- The nitrogen cycle across atmospheric, inorganic and organic pools article
- Phosphorus cycling through rocks, soils, water and biomass article
- Parasitism, mutualism and commensalism as interspecific associations article
- Gross and net primary productivity article
- Ecological niches as multidimensional resource use and environmental requirements article
- Interspecific competition, competitive exclusion and resource partitioning article