Select homologous organs from the following.

Archaeopteryx is a connecting link between which of the following?

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.

Distinguish between: Homologous organs and Analogous organs.

$A$: Blood group analysis shows that human beings are more closely related to apes than to monkeys.
$R$: The blood groups $A$ and $B$ are found in apes but not in monkeys.

Which of the following correctly describes the structure of homologous organs?