Term
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Definition
| a large region characterized by a specific type of climate and certain types of plant and animal communities |
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Term
| temperate deciduous forest |
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Definition
| forest in which trees lose all of their leaves annually |
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Term
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Definition
| forest in which trees do not lost their leaves annually |
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Term
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Definition
| land biome with the most biological diversity than any other place on Earth |
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Term
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Definition
| biome with grasses and other flowering plants, as well as small seed eating animals and larger grass eaters |
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Term
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Definition
| biome with grasses as well as scattered clumps of trees and seasonal rains |
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Term
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Definition
| biome that is very dry and often very hot |
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Term
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Definition
| mountain top biome that is so cold that trees do not grow |
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Term
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Definition
| biome that is found at the north and south poles and is so cold that trees do not grow |
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Term
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Definition
| the mass of mostly microscopic organisms that float or drift freely in freshwater and marine environments |
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Term
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Definition
| the warm, top layer of ocean water that is heated by sunlight and mixed by surface currents |
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Term
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Definition
| layer of water in the ocean in which the water temperature drops with increased depth faster than it does in any other part of the ocean |
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Term
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Definition
| the bottom layer of the ocean in which the average temperature is 2 degrees Celsius |
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Term
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Definition
| region where the ocean meets the land; this area is exposed to the air for part of the day |
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Term
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Definition
| the area of the ocean where the water becomes deeper and the ocean floor starts to slop downward |
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Term
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Definition
| the zone of life at the ocean floor |
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Term
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Definition
| the zone of the ocean where the sea floor drops sharply and where the deepest water of the open ocean is found |
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Term
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Definition
| areas in warm, shallow ares of the neritic zone where small animals live on the skeletal remains of other small animals |
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Term
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Definition
| an area where fresh water from rivers mixes with salt water from the ocean |
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Term
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Definition
| an ecosystem in the middle of the Atlantic Ocean that contains floating rafts of algae |
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Term
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Definition
| the shallow zone of a lake or pond whee light reaches the bottom and nurtures plants |
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Term
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Definition
| the zone of a pond or lake that extends from the littoral zone and that is only as deep as light can reach |
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Term
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Definition
| the zone of a lake or pond below the open water zone, where no light reaches |
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Term
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Definition
| an area of land that is periodically underwater or whose soil contains a great deal of moisture |
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Term
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Definition
| a treeless wetland ecosystem where plants such as grasses grow |
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Term
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Definition
| a wetland ecosystem in which shrubs and trees grow |
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Term
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Definition
| trees that produce their seeds in cones |
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Term
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Definition
| trees with leaves that change color and fall off in autumn |
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Term
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Definition
| the treetops of a rainforest |
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Term
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Definition
| soil below the surface that stays frozen all the time |
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