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process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere.
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any nonliving part of the environment
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any living part of the environment with which an organism may interact
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Each step in the food chain or food web
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Total of all the genetically based variation in all organisms of the biosphere.
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type of symbioses in which one organism benefits and the other is neither helped nor harmed
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organisms that eed by chemically breaking down organic matter.
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group of individuals that belong to the same species and live in the same area.
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Type of symbioses in which both organisms benefit from each other
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type of symbioses in which one organism lives inside another and harms it
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group of different populations that live together in a defined area.
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consists of all life on earth and all parts of earth in which life exists, including land, water and the atmosphere.
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all the organisms that live in a place, together with their physical environment
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Organisms that do not need other living organisms to feed
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nimals that consume the remains of other animals that have been killed by predators or have died of other causes
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the ability of every species to survive and reproduce under a range of environmental circumstances
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the general place where an organism lives, determined by the species tolerance
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how the atmosphere "behaves" over relatively long periods of time; defined by year to year patterns of temperature and precipitation
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day to day conditions in earth’s atmosphere.
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group of organisms that can reproduce with one another in nature and produce fertile offspring.
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branch of Biology which studies the interactions among living organisms and their environment
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the flow of energy in an ecosystem
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Group of ecosystems classified by their geographical area, climate and the organisms that exist in it
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the role an organism plays in its ecosystem, its job in it.
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