Question

What do you understand by vestigial organs? [1 mark]

Answer 1

Vestigial organs are those organs that have ceased to be of any use to the organism but still persist generation after generation in their reduced form. [0.5 mark]

Infact, these organs or parts are believed to have served important functions in the ancestors of the organism.For example: Muscles of ear pinna which are useless to humans are useful in monkeys (lower primates) for movement of ear pinna. [0.5 mark]