Chapter 5 Vocabulary Practice Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| the collection of organisms and the conditions that exist in the deep portions of the ocean | abyssal ecosystem
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| the biome that exist above the tree line in mountainous regions | alpine tundra
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| a type of marine or freshwater ecosystem consisting of organism that live on the bottom | benthic ecosystem
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| the amount of oxygen required by microbes to degrade organic molecules in aquatic ecosystems | biochemical oxygen demand
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| a kind of plant and animal community that covers large geographic areas.climate is a major determiner of the biome found in a particular area | biome
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| a broad band of mixed coniferous and deciduous trees that stretches across nother america(and also Europe and Asia);its northermost ewdge is integratedwith the artic tundra | boreal forest
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| last stage of succession; a relatively stable, long-lasting, complex, and interrelated community of plants, animals, fungi, and bacteria | climax community
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| a tropical, shallow-water, marine ecosystem dominated by coral organisms that produce external skeletons | coral reef ecosystem
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| a biome that receives less than 25 centimeters of precipitation per year | desert
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| aquatic vegetation that is rooted on the bottom but has leaves that float on the surface or protrude above the water | emergent plants
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| marine ecosystems that consist of shallow, partially enclosed areas where freshwater enters the ocean | estuary
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| the upper layer in the ocean where the sun's rays penetrate | euphotic zone
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| aquatic ecosystems that have low amounts of dissolved salts | freshwater ecosystem
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| areas receiveing between 25 and 75 centimeters of precipitation per year. grasses are the dominant vegetation, and trees are rare | grassland
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| region that does not have rooted vegetation in a freshwater ecosystem | limnetic zone
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| region with rooted vegetation in a freshwater ecosystem | littoral zone
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| marine shoreline ecosystems dominated by trees that can tolerate high salt concentrations | mangrove swamp ecosystem
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| area of grasses and reeds that is either permanently flooded or flooded for a major part of the year | marsh
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| a broad band of mixed coniferous and deciduous trees that stretches across northern America(and also Europe and Asia);its northernmost edge is integrated with the arctic tundra | northern coniferous forest
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| deep, cold, nutrient-poor lakes that are low in productivity | oligotrophic lake
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| those organisms that swim in open water | pelagic
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| a portion of a marine or freshwater ecosystem that occurs in open water away from the shore | pelagic ecosystem
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| attached organisms in freshwater streams and rivers, including algae, animals, and fungi | peripython
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| permanently frozen soil | permafrost
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| free-floating, microscopic, chlorophyll-containing organisms | phytoplankton
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| the early stages od succession that begin the soil-building process | pioneer community
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| grasslands | prairie
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| succession that begins with bare mineral surfaces or water | primary succession
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| a stage in the successional process | seral stage
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| a stage in succession | sere
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| a grassland in Asia | steppe
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| aquatic vegetation that is rooted on the bottom and has leaves that stay submerged below the surface of the water | submerged plants
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| regular and predictable changes in the structure of a community,ultimately leading to a climax community | succession
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| a stage in succession | succession stage
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| area of trees that is either permanently flooded or flooded for a major part of the year | swamp
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| biome having short, cool summers and long winters with abundant snowfall. the trees are adapted to winter conditions | taiga
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| biome that has a winter-summer change of seasons and that receives 100 centimeters or more of relatively evenly distributed precipitation throughout the year | temperate deciduous forest
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| a biome with warm, relatively constant temperatures where there is no frost. these areas receive more than 200 centimeters of rain per year in rains that fall nearly ever day. | tropical rainforest
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| a biome that lacks trees and has permanently frozen soil | tundra
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| weakly swimming microscopic animals | zooplankton
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