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24 Cards in this Set
- Front
- Back
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ecology
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the study of interactions between organisms and their environment
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biotic
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all living things in an environment
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abiotic
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nonliving factors in an environment
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population
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a group of individuals of the same species that live together in the same place and time
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community
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all of the populations of different species that live and interact in an area
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ecosystem
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a community of organisms and its abiotic environment
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biosphere
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part of the earth where life exists
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herbivore
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a consumer that eats plants
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carnivore
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a consumer that eats meat
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omnivore
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a consumer that eats both meat and plants
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scavenger
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animals that eat the bodies of dead animals
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food chain
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a diagram that represents how the energy in food molecules flows from one organism to the next
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food web
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a complex diagram representing the many pathways in a real ecosystem
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energy pyramid
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a diagram shaped like a triangle that shows the loss of enerbgy at each level of the food chain
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habitat
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the environment in which an organism lives
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niche
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an organism's way of life within its ecosystem
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carrying capacity
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the largest population that a given environment can support over a long period of time
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prey
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an organism that is eaten by another organism
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predator
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the organism that eats the prey
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symbiosis
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a close long term association between 2 or more species
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mutualism
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a symbiotic relationship in which both organisms benefit
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commensalism
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a symbiotic relationship in which one organism is benefited and the other in unaffected
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parasitism
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a symbiotic relationship in which one organism benefits and the other is harmed
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coevolution
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a long term chage that takes place in 2 species because of their close interactions with one another
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