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20 Cards in this Set
- Front
- Back
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The study of interactions between organisms and their living and non living environment
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Ecology
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The transition area between ecosystems
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Ectone
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Soil above the permafrost that is swampy or boggy in the summer
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Muskeg
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The area of the lake or pond in which there is open water and sunlight for photosynthesis occur
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Limnetic Zone
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The amount of dissolved oxygen needed by decomposers to completely break down the organic matter in a water sample
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Biological Oxygen Demand (BOD)
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A type of bacteria that occurs naturally in the intestines of humans and other animals
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Coliform Bacteria
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Having low nutrient levels
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Oligotrophic
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Having high nutrient levels
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Eutrophic
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The maximum number of individuals of a species that can be supported by an ecosystem
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Carrying Capacity
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The maximum number of offspring that a species could produce with unlimited resources
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Biotic Potential
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A method of naming organisms by using the genus name and the species name
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Binomial Nomenclature
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Features with similar structures but different functions
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Homologous Features
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The belief that living things arose from non living matter
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Spontaneous Generation
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Features that are similar in appearance and function, but do not appear to have the same evolutionary origin
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Analogous Features
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A change in the DNA sequence in a chromosome
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Mutation
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Speciation by reproductive isolation
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Allopatric Speciation
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The idea that speciation takes place slowly
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Theory of Gradualism
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Evolution into many different species
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Divergent Evolution
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The idea that species evolve rapidly, followed by a period of little or no change
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Theory of Punctuated Equilibrium
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The production of offspring from a single parent
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Asexual Reproduction
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