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13 Cards in this Set
- Front
- Back
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ecology
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the study of the interactions between living and nonliving things
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population
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a group of interbreeding organisms coexisting together
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community
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a group of populations living and interacting in the same area
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ecosystem
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an association of living organisms and their physical environment
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biome
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a group of ecosystems classified by climate and plant life
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primary consumer
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an organism that eats producers
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secondary consumer
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an organism that eats primarily consumers
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tertiary consumer
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an organism that eats secondary consumers
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ecological pyramid
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a diagram that shows the biomass of organisms at each trophic level
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biomass
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a measure of the total dry mass of organisms within a particular region
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transpiration
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evaporation of water from the leaves of a plant
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watershed
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an ecosystem where all water runoff drains into a single body of water
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greenhouse effect
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the process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that would otherwise escape the earth and radiate into space
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