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| organisms that make their own food. |
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| organisms that get energy from other organisms. |
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| process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high energy carbohydrates such as sugars and starches. |
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| animals that eat other animals for example,snake,owls,lions,eagles,falcons and more. |
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| energy stored by producers is passed in a food chain to consumers. |
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| when the feeding releationship among the various organisms in an ecosystem from a network of complex iteractions. |
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| the rate at which organic matter is created by producers. |
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| a collection of all the organisms that live in a particular area together with their nonliving or physical environment. |
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| the total amount of living tissue within a given trophic level |
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| a series of steps in which organisms transfer energy by eating and being eaten. |
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| process by wich some organisms such as certain bacteria use chemical energy to produce carbohydrates. |
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| the process by which water changes from liquid to an atmospheric gas. |
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| such as bacteria which live in the soil and on the roots of plants called legumes convert nitrogen gas into ammonia. |
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| when an ecosystem is limited by a single nutrient that is scarce or cycles very slowly. |
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| each step in a food wed or food chain. |
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| contains tha combined portion of the planet in which all of life exists,icluding land,water,and air,or the atmosphere. |
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| a group of organisms so similar to one another that they can breed and produce fertile offspring. |
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| assemblages of different populations that live together in a difined area. |
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| water can also enter the atmosphere by evaporating from the leaves of plants. |
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| a group of ecosystems that have the same climate and similar dominant communities. |
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| groups of individuals that belong to the same species and live in the same area |
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| the scientific study of interactions among organisms and between organism and their environment or things around them. |
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| chemical compounds and other forms of matter are passed from one organism to another and from one part of the biosphere to another. |
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| a diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web. |
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| when an aquatic ecosystem receives a large input of a limiting nutrient the result is often an immediate increase in the amount of algae and other producers. |
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| other soil bacteria convert nitrates into nitrogen gas. |
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| eat both plants and animals. |
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| mites,earthworms,snail and crabs feed on plants and animal remains and other dead matter. |
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| all the chemicals substances that an organism needs to sustain life. |
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| obtain energy by only eating plants. |
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| organism that obtain energy from the foods it consumes. |
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| the day to day condition of earth atmosphere at a particular time and place |
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| year after year conditions of temperature and precipitation in a particular region. |
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| a fundamental concept of biology |
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Definition
| is a large memberance-enclosed structure thatcontains the cell's genetic material that serves as a covering or lining |
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