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28 Cards in this Set
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ecology
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scientific study of interactions btwn organisms & the environment
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organismal ecology
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how an org's struct, physiology, behavior meet challenges posed by its enviro
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population
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group of individuals of same species living in an area
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population ecology
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analyzes factors that affect population size, how & why it changes thru time
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community
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group of populations of diff species in an area
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community ecology
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examines how interactions btwn species affect community struct & organization
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ecosystem
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community of organisms in an area & the physical factors with which those organisms interact
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ecosystem ecology
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emphasizes energy flow & chemical cycling btwn organisms and the enviro
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landscape ecology
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factors controlling exchanges of energy, materials, & organisms across multiple ecosystems
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biosphere
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global ecosystem: sum of all the planet's ecosystems & landscapes
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global ecology
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examines how the regional exchange of energy & materials influences the functioning & distribution of organisms across the biosphere
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climate
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long term prevailing weather conditions in a given area
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4 factors of climate
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temperature, precipitation, sunlight, wind
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abiotic
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nonliving
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biotic
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living
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macroclimate
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climate at the global, regional, & landscape levels
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tropics
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where sunlight strikes most directly
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biome
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major life zones characterized by vegetation type or physical environment
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climograph
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plot of annual mean temp & precipitation in a region
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disturbance
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event (storm, fire) that changes a community, altering resource availability
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ecotone
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area of intergradation btwn terrestrial biomes
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Terrestrial Biomes
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tropical forest
savanna desert chaparral temperate grassland northern coniferous forest temperate broadleaf forest tundra |
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photic zone
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area in aquatic biomes where there's sufficient light for photosynthesis
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aphotic zone
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area in aquatic biomes where little light penetrates
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pelagic zone
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the photic & aphotic zones combined
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benthic zone
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bottom of photic/aphotic/pelagic zones, deep or shallow
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consists of organic/inorganic segments, occupied by benthos
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benthos
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communities of organisms found in benthic zone
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Aquatic Biomes
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wetlands & estuaries
lakes streams & rivers intertidal zones coral reefs oceanic pelagic zone marine benthic zone |
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