Geografia

Páginas: 3 (647 palabras) Publicado: 9 de abril de 2012
GEOGRAPHY
 Biome: it is conformed by ecosystems. Is a big area with similar fauna, flora and microorganisms. It contains individuals that are adapted to it variations.
A biome is a large area withsimilar flora, fauna, and microorganisms. Most of us are familiar with the tropical rainforests, tundra in the arctic regions, and the evergreen trees in the coniferous forests. Each of these largecommunities contain species that are adapted to its varying conditions of water, heat, and soil. For instance, polar bears thrive in the arctic while cactus plants have a thick skin to help preservewater in the hot desert. To learn more about each of the major biomes, click on the appropriate heading to the right.
 Ecosystem: it is something smaller than a biome. It is a place where plants,animals and microorganisms interact together and work like a group. Each individual has its role to play in the ecosystem.
Most of us are confused when it comes to the words ecosystem and biome.What's the difference? There is a slight difference between the two words. An ecosystem is much smaller than a biome. Conversely, a biome can be thought of many similar ecosystems throughout the worldgrouped together. An ecosystem can be as large as the Sahara Desert, or as small as a puddle or vernal pool.
Ecosystems are dynamic interactions between plants, animals, and microorganisms andtheir environment working together as a functional unit. Ecosystems will fail if they do not remain in balance. No community can carry more organisms than its food, water, and shelter canaccomodate. Food and territory are often balanced by natural phenomena such as fire, disease, and the number of predators. Each organism has its own niche, or role, to play.
 Mayor biomes
Mountains:(high elevations) have many biodiversity. The mountains are homes to some groups ethnics. A lot of people depend on what they provide, for example minerals and food. About 80 percent of the water of...
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