Sunday, November 16, 2008

symbiotic relationships

What Are Symbiotic Relationships?:
Symbiotic relationships are a relationship between two living organism in nature. There are three types of symbiotic relationships. One of which is mutualism where both the organisms benefit. For an example a bug-eating bird and a tree, because the bird eats the bugs and saves the tree from being harmed and the bird gets food. The second relationship is commensalism where two organism have a relationship where one benefits and the other is not harmed. One example is barnacles and whales. The barnacles get a place to live, while the wale doesn't even notice them. The third and the last type of symbiosis is, parasitism. Parasitism is when one organism benefits and the other is harmed. An example of parasitism is dogs and fleas, the fleas get food and a living space, while the dog gets really annoyed by them. Those are all three types of symiosis.

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