Which of the following is most appropriately defined?

  • A
    Commensalism is a relationship in which one species is benefitted and the other is neither benefitted nor harmed.
  • B
    Parasite is an organism which always lives inside the body of other organism and may kill it.
  • C
    Competition is defined as a process in which the fitness of one species is significantly higher in the presence of another species.
  • D
    Mutualism is a relationship in which one species is benefitted whereas the other is unaffected.

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