Nutrient Cycles
Carbon Cycle — Biogeochemical Pathway
Phosphorus Cycle — Sedimentary (No Gaseous Phase)
Ecological Succession — Xerosere (Primary on Bare Rock)
Ecological Pyramid Shapes at a Glance
| Pyramid Type | Terrestrial | Aquatic | Inversion Possible? |
|---|---|---|---|
| Numbers | Upright (grassland) / Inverted (tree) | Usually upright | Yes |
| Biomass | Upright | Inverted | Yes |
| Energy | Always upright | Always upright | No |
Wikimedia Ecology Image
Attribution: Ecological Pyramid. Wikimedia Commons. Public domain.