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Which one of the following is most appro...

Which one of the following is most appropriately defined ?

A

Amensalism is a relationship in which one species is benefited where as the other is unaffected.

B

Predator is an organism that catches and kills other organism for food

C

Parasite is an organism which always lives inside the body of other organism and may kill it.

D

Host is an organism which provides food to another organism.

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