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There are many examples of symbiotic relationships in nature. First, you must define what kind of symbiosis. There are three: mutualism, commensalism, and parasitism. In mutualism, both organisms benefit, in commensalism one benefits while the other is unaffected, and in parasitism one benefits while the other is harmed. Many mutualist symbiotic relationships occur in the natural world. For example, some species of ants "farm" aphids by caring for their eggs, carrying them to food sources, and protecting them from predators. In return, the ants benefit from consuming the "honeydew" the aphids excrete. Commensalism can be seen in the interaction between mites and large mammalian hosts. Many mammals (including humans) excrete sebum, or oil, from their pores. Certain mite species subsist from these excretions. The mites benefit, but neither hurt nor help their hosts. Parasitic examples are more obvious, and include tape worms that live in their hosts intestines, depriving them of nutrients.

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13y ago

wearing the matching sweaters when you are 40!

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Q: What is an example of symbiotic relationships?
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