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BIOME . marine biome Marine regions cover about three-fourths of the Earth's surface and include oceans, coral reefs, and estuaries. Marine algae supply much of the world's oxygen supply and take in a huge amount of atmospheric carbon dioxide. The evaporation of the seawater provides rainwater for the land.

See also:

http://www.ucmp.berkeley.edu/exhibits/biomes/ marine .php

http://ths.sps.lane.edu/biomes/marine3/marine3.html

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16y ago

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