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Learn Biology: Biomes and Communities Definition

Learn Pilates (but save $$$): http://mhlo.co/learnpilatesMahalo biology expert Mary Poffenroth explains the difference between a biome and a community.The areas of the earth may be divided up into large areas with similar attributes (biomes) and smaller areas (communities).?A community may be named for the most?prominent?vegetation in the area, or derive its name from the biome in which it is set.?Biomes are categorized by?climate, as well as plant and animal life. There are two types of biomes:?terrestrial, or dry land areas,?and aquatic, or water-covered areas.http://www.youtube.com/watch?v=qtZcN4bzsrA&feature=player_embedded#at=214?Terrestrial Biomes---------------------------------------------------------------------Terrestrial biomes of dry land range from the very hot desert to the extremely cold tundra, not to mention tropical rainforests, savannahs, deciduous forests, coniferous forests and grassland among other areas. These biomes are classified by determining their location, the amount of sunlight they receive, climate, temperature, soil and its nutrients, and water availability.http://www.youtube.com/watch?v=qtZcN4bzsrA&feature=player_embedded#at=214?Aquatic?Biomes---------------------------------------------------------------------Aquatic biomes are affected by how much sunlight they?receive. ?For example, very little sunlight or none at all can reach the bottom of the ocean. This allows for further division of the water environments. They may be photic (sunlit) or aphotic (little to no sunlight reaches the area).http://www.youtube.com/watch?v=qtZcN4bzsrA&feature=mcv?This will affect the vegetation and the lifeforms that can exist there. ?Additionally, there are freshwater biomes that include rivers, lakes, streams and wetlands.The?aquatic?environments are also divided by their distance from the shore. The intertidal zone between the shore and the ocean is subject to the high and low tides.http://www.youtube.com/watch?v=qtZcN4bzsrA&feature=mcv?The benthic zone is the ocean floor while the open ocean is called the pelagic zone.http://www.youtube.com/watch?v=qtZcN4bzsrA&feature=mcv?Brackish water areas are those regions of the earth where the freshwater and saltwater are mixed.http://www.youtube.com/watch?v=qtZcN4bzsrA&feature=mcv??Read more by visiting our page at:http://www.mahalo.com/learn-biology-biomes-and-communities-definition/
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