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Ecology Vocab

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Across
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organism or species that colonize rock and helps in the development of soil
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the demand for resources, such as food, water, and shelter, in short supply in a community
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a factor that can limit the growth of a population
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differences in traits among organisms of the same species
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the variety of life in the world or in a particular habitat or ecosystem.
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all the living and nonliving things in an area
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the range of conditions that an organism can withstand
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the place within an ecosystem where an organism lives
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an organism that must obtain its energy by consuming other organisms
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group of individuals of the same species that live in the same area at the same time
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environmental change that occurs quickly
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organism that obtains energy by eating only plants (vegetation)
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non-living things in an ecosystem
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a group of living organisms consisting of similar individuals capable of exchanging genes
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Environmental change that occurs slowly over time
Down
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A relationship between two organisms of different species in which one organism feeds on the other organism
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the property of biological systems to remain diverse and productive indefinitely
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A model that shows the flow of energy through an ecosystem
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the way a species interacts with abiotic and biotic factors to obtain food, find shelter, and fulfill other needs
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A relationship between two organisms of different species where one benefits and the other is harmed
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organism that obtains energy by eating both plants and animals
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organism that obtains energy by eating animals (meat)
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a species that has died out
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type of ecological succession that happens to an area that has preexisting soil and has been previously inhabited by life
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A type of ecological succession that happens to an area without vegetation, and is barren or lifeless
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Living things in an ecosystem
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a model that shows how food chains link together and interact
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An organism that provides a source of energy for a another organism to live on