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12th Biology 2012 Set1 Delhi Board Paper Solution

Question 13

Why do clown fish and sea anemone pair up? What is this relationship called?


Clown fish maintains a commensalistic relation with the sea anemone. In this interaction, one species benefits and the other is neither harmed nor benefited. Sea anemone has stinging tentacles that provide protection to clown fish from predators. The anemone does not appear to derive any benefit from the clown fish.