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.

Example of divergent evolution

Convergent evolution of two species is associated with

How does paleontology, comparative anatomy and morphology help in study of evolution.