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| is the scientfic study of interactions among organsims and, between organsims and their envoriment ,or surrondings |
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| contains the combined portions of the planet in which all life exists including land ,water , and air (atmosphere) |
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| is a group of organsims so similar to one another that they can breed and produce fertile offspring |
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| or groups of induvials that belong to thr same species and live in the same area |
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| are asseblages or diffrent populations that live in a defined area |
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| collecter of all the organsims that live in a particular place |
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| is a group of ecosystems that have the same climate and similar dominat communites |
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| that capture energy from sunlight or chemicals and uses to produce its own food |
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| organsims that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds |
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| organsim that obtains energy from its food it consumes |
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| organsim that obtains energy by eating plants and animals |
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| organsim that obtains energy by eating plants and animals |
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| organsim that breaks down & obtains energy from dead organic matter |
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| network of complex interactions formed by feeding rleationships among the various organsims in an ecosystem |
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| process in which elements chemical coumpounds and other forms of matter are passed from one organsim to the next |
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| process by which water cahnges from a liquid into the atmosphere |
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| loss of water from a plant through its leaves |
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| chemical subtance that an organsims requries to live |
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| process of turning nitrogen gas into amonia (bacteria helps) |
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| conversion of nitrates into nitrogen gas |
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| rate at which organic matter is created by producers in an ecosystem |
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| single nutreint that either is scarce or cycles very slowly |
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| an immediate increase on the amount of alage and other producers that result from a large input |
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| dense covering formed by the leafy tops of tal rain trees |
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| term used to refer to a tree that sheds leaves during a particular season each year |
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| material from decaying leaves and other organic matter |
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| layer of permantly frozen subsoil in the biome tundra |
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| condtion of the earths atmosphere at a particular time |
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