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Chapter 3 Vocab

Across
This biome exists on every continent except Europe
A biome that is characterized by fertile soils that are able to support a thick cover of grasses
The area closest to the shore
Composed mostly of broad-leaved, deciduous trees
The change in an ecosystem that happens when one community replaces another as a result of changing abiotic and biotic factors
A group of interacting populations that occupy the same area at the same time
An ecosystem that is formed where freshwater from a river or stream merges with salt water from the ocean
The establishment of a community in an area of exposed rock that does not have any topsoil
Treeless biome with a layer of permanently frozen soil below the surface
The deepest areas of a large lake
Free-floating photosynthetic autotrophs that live in freshwater or marine ecosystems
An area below the photic zone where sunlight is unable to penetrate
Down
Material that is deposited by water, wind, or glaciers
Also called northern coniferous, or taiga
The average weather conditions in an area, including temperature and precipitation
The area along the ocean floor that consists of sand, silt, and dead organisms
The stable, mature community that results when there is little change in the composition of species
Narrow band where the ocean meets land
The deepest region of the ocean
The ability of any organism to survive when subjected to abiotic factors or biotic factors