Organs that have different embryonic origin but perform similar functions are

Choose the correct statements with reference to organic evolution.
$I.$ Flippers of whale and wings of bat exhibit analogy.
$II.$ Wings of butterfly and wings of bird exhibit homology.
$III.$ Organs with dissimilar structure are called analogous organs.
$IV.$ Organs with similar structure and origin are called homologous organs.

Wings of pigeon,mosquito,and bat show:

Which of the following is not an example of convergent evolution?

What does the presence of gills in a tadpole of a frog indicate?

Fossil $X$ is older than fossil $Y$. The most evident answer is: