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| Is the day-to-day condition of Earth's atmosphere at a particular time and place. |
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| Refers to the average, year-after-year conditions of temperature and precipitation in a particular region. |
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| The natural situation in which heat is retained by this layer of greenhouse gases. |
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| Are cold areas where the sun's rays strike Earth at a very low angle. |
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| Moderate climate zone between the polar zones and the tropics |
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| The Biological influences on organisms within an ecosystem. |
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| Physical, or nonliving, factors that shape ecosystems. |
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| The area where an organisn lives. |
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| The full range of physical and biological conditions inn which an organism uses those conditions. |
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| Any necessity of life, such as water,nutrients,light,food,or space. |
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| Competitive Exclusion Principle |
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| States that no tow species can occupy the same niche in the same habitat at the same time. |
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| An interaction in which one organism captures and feeds on another organism. |
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| Any relationship in which two specfies live closely stogether. |
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| Both species benifit from the relationship. |
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| One member ofthe association benifits and the other is neither helped nor harmed. |
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| One organism lives on or inside another organism and harms it. |
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| The series of predictable changes that occurs in a community over a time. |
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| On land, succession that occurs on surfaces where no soil exists. |
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| The first species to populate the area. |
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| When the disturbance is over, community interactions tend to restore the ecosystem to its original condition. |
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| A complex of terrestrial communtites that covers a large are and is characterized bycertain soil and climate conditions and particular assemblages of plants and animals. |
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