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Definition
| An organism that can make its own food. |
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Definition
| An organism that obtains energy by feeding on other organisms. |
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Definition
| A consumer that eats only plants. |
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| A consumer that eats only animals |
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Definition
| A consumer that eats both plants and animals. |
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Definition
| A carnivore that feeds on the bodies of dead organisms. |
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Definition
| An organism that breaks down wastes and dead organisms. |
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Definition
| A series of events in which one organism eats another and obtains energy. |
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Definition
| The pattern of overlapping food chains in an ecosystems. |
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Definition
| A diagram that shows the amount of energy that moves from one feeding level to another in a food web. |
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Definition
| The continuous process by which water moves from Earth's surface to the atmosphere and back. |
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Definition
| The process by which molecules of a liquid absorb energy and changes to a gas. |
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Definition
| The process by which a gas changes to a liquid. |
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Definition
| The process of changing free nitrogen gas into a usable form. |
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Definition
| The study of where organisms live. |
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Definition
| The very slow motion of the continents. |
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Definition
| The movement of organisms from one place to another. |
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Definition
| Species that are carried to a new location by people. |
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Definition
| The typical weather pattern in an area over a long period of time. |
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Definition
| A group of land ecosystems with similar climates and organisms. |
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Term
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Definition
| A leafy roof formed by tall trees in a forest. |
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Definition
| A layer of shorter plants that grow in the shade of the forest canopy. |
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Term
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Definition
| An area that receives less than 25 cm. of precipitation per year. |
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Definition
| An area populated by grasses and other non woody plants.Most grasslands get 25 to 75 cm. of rain each year. |
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Term
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Definition
| A grassland close to the equator that receives as much as 120 cm. of rain per year. |
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Term
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Definition
| A tree that sheds its leaves and grows new ones each year. |
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Definition
| A tree that produces its seeds in cones and that has needle- shaped leaves. |
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Definition
| An extremely cold, dry biome. |
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Definition
| Soil that is frozen all year. |
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Definition
| A habitat in which the fresh water of a river meets the salt water of the ocean. |
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Definition
| The area between the highest high-tide line and the lowest-tide line. |
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Term
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Definition
| The region of shallow ocean water over the continental shelf. |
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