martes, 26 de octubre de 2010

Summary #5 Surviving in the Ecosystem

Animals are important because they control the population. Like, with frogs there were many insect or if there is no lions there were many deers.There are many animals that adapt like the polar bear in cold places. He adapts with his skin, his claws, the clouds and many others. If he will be in Panama he will die. That is the same with the camel if he will go to antartida he will die. But the only animal that an be adapted in all places is the human. The human doesn't have skin or fingernails that is use to be adapted but we have one thing intelligence.Now were going     to talk about symbiosis. Symbiosis is oraganism relating for a long time.Symbiosis is divded in three. Parasitism, Mutualism and commensalism. Parasitisim is One organism benefits and the other harms.One example is the flea nad the dog. The flea benefits and the dog harms. Another example is the plant and coling dobber plant. The coiling dobber plant benefits and the plant harms. Mutalism is Both oraganism benefits.One example is the yucca tree and the yucca months. The yucca month help the yucca tree to reproduce.Commensalism is one organism benefits and the other does not harms. One example is the orchid and the trees.


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