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

In brood parasitism as observed in Asian koel and Indian crow,the eggs of . . . . . . .

Predators help to create checks on:

While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.

Match Column $-I$ with Column $-II$ and select the correct option.
Column $-I$ Column $-II$
$(a)$ Predation $(i) \ (-, 0)$
$(b)$ Commensalism $(ii) \ (+, -)$
$(c)$ Mutualism $(iii) \ (+, 0)$
$(d)$ Amensalism $(iv) \ (+, +)$

$A$ : The interaction between sea anemone and clown fish is commensalism.
$R$ : The fish gets protection from predators but anemone does not appear to derive any benefit.

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