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  • Brainly User
2015-06-11T15:52:20+05:30
Symbiosis is the relationship ..............Eg- the coral-algal symbiosis and nitrogen fixation

Nitrogen Fixation=nitrogen fixation  is the term used for a process in which nitrogen gas  from the atmosphere is incorporated into the tissue of certain plants.

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2015-06-15T22:51:11+05:30
They are as follows:
.the tapeworm stays in the intestine and helps the host to digest it's food.
.Nitrogen-fixing bacteria.
.cattle egret and cattle.
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