Answers

2014-08-23T20:35:13+08:00
Mutualism, Commensalism, Parasitism
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2014-08-23T21:18:31+08:00
To make everything simple:
1. Commensalism - one benefits, the other is unaffected
2. Parasitism - one benefits, the other is harmed
3. Mutualism - both benefits.
Is everything clear now? or did i just make it more complicated? 
A simple thank you is okay for me :)
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