Fossil contents of the alimentary canal are termed as

Deviation of homologues is caused by

The age of fossils was traditionally determined by radio-carbon dating and other methods involving radioactive elements found in the rocks. More precise methods currently used for determining the evolutionary time of different groups of organisms include:

Among the following sets of examples for divergent evolution,select the incorrect option:

The flippers of the Penguins and Dolphins are an example of:

Which vestigial structure develops in the embryos of all vertebrates,including humans?