Evidence that evolution of life forms has indeed taken place on Earth has come from:

Fossil contents of the alimentary canal are termed as

Homologous organs are ............. .

Identify the examples of Convergent Evolution and Divergent Evolution from the following list:
$I -$ Sweet potato (root) and Potato (stem)
$II -$ Forelimbs of Whale,Bat,Cheetah,and Human
$III -$ Thorn of Bougainvillea and Tendril of Cucurbita
$IV -$ Flippers of Penguins and Dolphins
$V -$ Wings of Butterfly and Wings of Bird
$VI -$ Eye of Octopus and Mammals
Select the correct sequence for Convergent Evolution and Divergent Evolution.

In the embryos of all vertebrates,including humans,a row of vestigial gill slits appears behind the head,but they function only in fish and not in other adult vertebrates. This observation was challenged by which scientist?

Which of the following does $NOT$ represent homologous structures?