Which one of the following is most appropriately defined?

  • A
    Host is an organism which provides food to another organism.
  • B
    Amensalism is a relationship in which one species is benefitted whereas the other is unaffected.
  • C
    Predator is an organism that catches and kills other organism for food.
  • D
    Parasite is an organism which always lives inside the body of other organism and may kill it.

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Similar Questions

Given below are two statements.
Statement $I$: Intraspecific competition occurs between organisms of the same population.
Statement $II$: Such interaction may be beneficial,harmful or neutral to the interacting individuals.
In the light of the above two statements,choose the correct option.

The orchid $Ophrys$ employs 'sexual deceit' to get pollinated by a species of bee. One petal of its flower bears an uncanny resemblance to the female of the bee in size,colour,and markings. The male bee perceives it as the female and attempts to copulate with the flower. During this process,pollen grains are dusted on the male bee's body. What is this phenomenon called?

Select the mismatched pair regarding parasitism.

Predators play an important role in:

In a given habitat,plants show the least competition with which of the following?

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