Which of the following option is correct for given statements?

(i) About 3000 million years ago (mya) the first cellular forms of life appeared on earth.

(ii) Some of these cells had the ability to release O 2 became multi-cellular life forms.

(iii) By the time of 500 mya, invertebrates were formed and active.

(iv) Jawless fish probably evolved around 350 mya.

(v) About 250 mya fish with stout and strong fins could move on land and go back to water.

(vi) Probably 200 mya some of land reptiles like dinosaurs went back into water to evolve into fish like reptiles Ichthyosaurs.

(vii) Coelacanth called lobefins evolved into the first amphibians that lived on both land and water.