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Geography Chapter 11 - Ch 11 Notes Ecosystems and Biomes...

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Ch. 11 Notes Ecosystems and Biomes: - Ecosystem: o Community of plants and animals living together Numerous ecosystem scales - Biome: o Large recognizable assemblage of plants and animals in interaction with environment Identified by dominant vegetation, biomass Ten major types - Ecotones: o Transition zones between adjacent biomes Terrestrial Flora: - Most significant visual component of landscape - Sensitive indicator of other environmental attributes - Influence on human settlement and activities - Plant characteristics: o Hardy o Perennials o Annuals o Highly variable in size o Common characteristics: Roots, stems, branches, leaves - Floristic terminology: o Seeds versus spores Spore reproduction: Bryophytes: mosses and liverworts Pteridophytes: ferns and horsetails Seed reproduction: Gymnosperms: seeds in cones, also called conifers Angiosperms: seeds encased in protection - Woody plants versus herbaceous plants - Evergreen trees versus deciduous trees -
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