Match List - I with List - II.

 Choose the correct answer from the options given below:

(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

The correct answer is Option (2) – (A)-(IV), (B)-(I), (C)-(II), (D)-(III)

Brood parasitism in birds is a fascinating example of parasitism in which the parasitic bird lays its eggs in the nest of its host and lets the host incubate them.e.g. the movements of the cuckoo (koel) and the crow during the breeding season (spring to summer) and watch brood parasitism in action.

Commensalism: This is the interaction in which one species benefits and the other is neither harmed nor benefited. e.g. An orchid growing as an epiphyte on a mango branch, and barnacles growing on the back of a whale benefit while neither the mango tree nor the whale derives any apparent benefit.

Parasitism is a symbiotic relationship in which one species (the parasite) benefits while the other species (the host) is harmed. Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.

Mutualism is the interaction confers benefits on both the interacting species. Example: In many species of fig trees, there is a tight one-to-one relationship with the pollinator species of wasp. It means that a given fig species can be pollinated only by its ‘partner’ wasp species and no other species.