The cause of mimicry is:

Which of the following are the wrong statements?
$I.$ Organs which are different in basic structure and origin but perform similar functions are called analogous organs.
$II.$ Organs with different basic structure and origin but perform similar functions are called homologous organs.
$III.$ Homologous organs lead to convergent evolution.
$IV.$ Analogous organs lead to divergent evolution.
The correct combination is:

Which among the following was the biggest land dinosaur?

Which one of the following scientists is not related to organic evolution?

Which one of the following is not a true fossil?

The $Mesozoic$ era is also known as the: