Which of the following arrangements of periods of the Mesozoic era gives a correct sequence from the earliest to the latest?

Identify the figure given below:

Match List-$I$ and List-$II$ and choose the correct option.

List-$I$	List-$II$
$(i)$ $65$ million years ago	$(p)$ Sea weeds existed
$(ii)$ $350$ million years ago	$(q)$ Invertebrates formed
$(iii)$ $500$ million years ago	$(r)$ Jawless fish evolved
$(iv)$ $320$ million years ago	$(s)$ Dinosaurs disappeared

Mark the correct statements:
$I.$ Fitness of individuals means reproductive fitness.
$II.$ Homology in vertebrate brain indicates common ancestry.
$III.$ Theory of acquired characters was given by de Vries.
$IV.$ After industrialization,the white moth did not survive due to predators.
The correct option is:

Scientists believe that evolution is gradual. However,extinction,which is a part of the evolutionary story,is often 'sudden' and 'abrupt' and also group-specific. Comment on whether a natural disaster can be the cause of the extinction of species.

Which of the following statements is correct regarding the history of life on Earth?