Answers

2014-08-31T10:07:05+05:30
Animals do not have useless organs in their body. Each and every organ is meant for certain specific function.
0
2014-08-31T10:09:46+05:30
Vestigial characters are present through out the animal kingdom, There are many examples of vestigiality as the product of drastic mutation ,One of the earliest documented examples was that of vestigial using in dorsophilia. It is generally result of adaptive evolution.
0