Biology HL

Chapter 12: Ecological Relationships

Trace nutrition, energy, matter and population change through ecosystems, then evaluate succession, biodiversity loss, conservation and climate-driven disruption.

1 simulation entries

Food-Web and Nutrition Laboratory

Rebuild a coastal food web, trace trophic pathways and test how omnivory and decomposer links change network interpretation.

Appears in: 12.1 Modes of Nutrition, 12.2 Transfer of Energy and Matter, 12.3 Ecological Relationships and Populations, 12.4 Stability, Change and Succession in Ecosystems, 12.5 The Biodiversity Crisis, 12.6 Climate Change and Ecosystems

flow · populations · feedback · recovery

Ecological relationships laboratory

RESOURCE → CONSUMER: ONE WEB, MANY TROPHIC PATHSalgaeseagrassphytoplanktonsnailshrimpzooplanktonshorebirdfishsealdetritus → decomposers → mineral nutrients