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Answer :

Asked by Annette 17th March 2010, 1:08 PM
Answered by Expert
Answer:

An organ that was once useful in an animal's evolutionary past, but now has no apparent nor predictable function. Such organs have become small and have lost their use because of evolutionary change.

Eg. - The appendix and the ear muscles of humans

Answered by Expert 20th March 2010, 5:33 AM
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