Vestigial pelvic girdle and bones of hind limbs are the characteristic of

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.

$Peripatus$ is a connecting link between:

Hummingbirds and hawks illustrate:

$A$ study of fossils in different sedimentary layers indicates:

What do the human hand,bat wings,and whale flippers represent?