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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 of organisms with eachother and with the physical enviornment.
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Population
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All the organisms of the same species interacting with the enviornment at a particular locale.
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Community
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Consists of all the various populations at a particular locale.
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Ecosystem
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Encompasses a community of populations, as well as the nonliivng enviornment.
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Bioshpere
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Portion of the entire's Earth's surface (air, water and land) where living things exist.
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Ecological Succession
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Change in community composition that happens over time.
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Primary Succession
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Occurs in areas where the is no soil formation, such as following, a volcaninc eruption or glacial retreat.
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Secondary Succession
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Begins in areas where soil is present, as when a cultivated cornfield returns to a natural state.
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Pioneer Species
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plants that are inavders of disturbed areas and the then succession progresses through a series of stages.
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Climax Pattern Model
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Succession says that particular areas will always lead to the same type of community, called a climax community.
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Facilitation Model
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Each successive community prepares the way for the next...grass!
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Inhibition Model
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Colonists hold on to their space and inhibit growth of other plants until the colonists die or are damaged.
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Tolerance Model
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Predicts that different types of plants can colonize an area at the same time.
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