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Revision: Ecology (Structure (Biomes: collection of ecosystems sharing…
Revision: Ecology
Structure
Habitat: the environment in which a species normally lives
Niche: a species' shore of habitat and the resources in it
Fundamental niche: full range of the conditions and resources an organism could survive in
Realised niche: range of conditions and resources that an organism actually occupies
Biosphere: part of Earth inhabited by organisms
Species: a group of organisms that can reproduce to produce fertile offspring
Population: a group of organisms from the same species in the same area at the same time
Community: populations living and interacting with each other in the same habitat
Biomes: collection of ecosystems sharing similar climactic conditions
Tropical Rainforest; limiting factors: poor soil
Tundra; limiting factors
Factors
Abiotic: non-living physical factors
Biotic factors: living, biological factors
Cycling of matter
Carbon cycle
Carbon sinks: a feature in the biosphere that absorbs more carbon dioxide than it releases
Carbon release: a feature in the biosphere that absorbs less carbon dioxide than it releases
Nitrogen cycle
eutrophication