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12 Cards in this Set
- Front
- Back
Natural vegetation
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a plant cover that develops with little or no human interference
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Life form
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emphasizes plant's physical structure, size and shape
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Woodland
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the trees are widely spaced so that their crown are separated by open areas that usually support grasses, low herbs and a shrub layer
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Terrestrial ecosystems
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directly influenced by climate and interact with the soil
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Biome
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largest recognizable subdivision of terrestrial ecosystems, including the total assemblage of plant and animal life interacting within the life layer
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Forest biome
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dominated by trees which form a closed or nearly closed canopy
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Savana biome
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transitional between forest and grassland
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Grassland biome
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develops in regions with moderate shortages of soil water
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Desert biome
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dry climate, usually consisting of widely dispersed plants that may be shrubs, grasses or perennial herbs but few if any trees
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Tundra biome
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cold regions, of arctic tundra and alpine tundra, consisting of grasses sedges flowering herbs, dwarf shrubs mosses and lichens
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Steppe
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also called short- grass prairie, is a vegetation type dominated by sparse clumps or bunches of grasses
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Life zones
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series of vegetation zones describing vegetation types that are encountered with increasing elevation especially in the southwestern US
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