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19 Cards in this Set

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benthic zone
bottom of a body of water; inhabited by decomposers, insect larvae, and clams
biome
regions that have distinctive climates and organisms and that contain many seperate but similar ecosystems
canopy
in a forest, the covering of tall trees whose intertwining branches asorb a great amount of sunlight and shade the are beneath it
chaparral
coastal biome with a Mediterranean climater and low-lying vegetation
coral reef
limeston islands in the sea built, by coral animals
desert
biome that recieves less than 10 inches of precipitation a year
drought-resistance
characteristics of a plant that allows it to survive in areas of light or aporadic rainfall
estivating
practice of lying dormant iunderground during the summer
estuary
aquatic ecosystem in which rivers mixes with salt from the ocean, forming a nutrient trap
littoral zone
the shallow-water area near the shores of lakes and ponds where sunlight reaches the bottom
permafrost
permanently frozen soil a few inches below the active soil in the tundra biomes
taiga
biome dominated by conifers and characterized by harch winters; occur just below the Artic Circle; also caled northern coniferous forest
temperate deciduous forest
forest in an area of extreme seasonal variation in which trees drop their leaves each fall
temperate grasslands
biome occuring in semi-arid interiors of continents; examples are the prairies of North America, the steppes of Russia and Ukraine, and the pampos of South America
temperate rain forest
cool, humid biome where tree branches are dropped with mosses, tree trunks are covered with lichens, and the forest is covered with ferns
tropical rain forest
warm, wet biomethat occurs in a belt around the Earth near the equator and that contains the greatest diversity of organisms on Earth
savanna
tropical grassland biome with a short rainy season
tundra
biome without trees, where grasses and tough shrubs grow in the frozen soil; extends from the Artic Circle on the North Pole
wetlands
area of land that is drained by a river