(Ecosystems)
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Competition | occurs between two or more organisms who want the same resources
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Limiting Factor | A factor that controls the size of a population
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Give 3 examples of limiting factors: | space, water, and food
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Ecological niche | The way that an organism carries out a role in an ecosystem
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Population | all of the individuals of one species in an area
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Biodiversity | the variety and number of species in a certain region
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Alien Species | a species that does not naturally exist in an area but has been brought in.
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Sustainability | the ability to endure and to support life
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Tropic level | a feeding level in a food chain
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Urban sprawl | The growth of a city into rural areas around its edges
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Natality | the birth rate of a population
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mortality | the death rate of a population
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Preditor | An organism that gets its energy but eating other living things
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Extinction | no longer living anywhere in the world
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mutualism | a relationship between two species in which both benefit
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equilibrium | a population trend in which the number of individuals is unchanging over a period oftime
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immigration | the movement of organisms INTO an area
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emigration | the movement of organisms OUT of an area
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biotic | a living factor in an ecosystem
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abiotic | a non-living factor in an ecosystem
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parasitism | a relationship between two species in which one species feeds from the other.
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prey | an organism that is eaten as food by a preditor
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community | includes all living things and non-living things in an area
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decomposer | an organism that gets its energy by breaking down dead organisms and waste
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producer | an organism that gets its energy from the sun and can produce its own food
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carnivore | an animal that eats only meat
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herbivore | an animal that only eats plants
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omnivore | an organism that eats plants and animals
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consumer | an organism that kills and consumes other organisms
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ecosystem | all of the organisms in a certain area
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carrying capacity | the size of a population that can be supported in an ecosystem
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aquatic ecosystem | an ecosystem in a body of water with communities of organisms
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terrestrial ecosystem | is an ecosystem found only on landforms
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lithosphere | the hardest part of the earths surface
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hydrosphere | all of the water found on earth, lakes, oceans,and ground water
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atmosphere | the layer of gases above you
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biosphere | the regions of the earth where living organisms exist
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