The conclusion that 'life forms on Earth not only resemble each other but also resemble life forms that lived millions of years ago' is based on the observations of whom?

Most primitive living mammals,which provide evidence of organic evolution from geographical distribution,are found in:

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.

$Archaeopteryx$ $lithographica$, a fossilized crow-sized toothed bird, was found in Jurassic rocks in . . . . . . .

The study of fossils is known as:

The Biogenetic Law was proposed by: