Question

Which is the correct order of time hypothesis regarding origin of earth?​

Answer 1

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The sequence of the origin of life events is as follows-

The organic monomers were synthesised first and then the formation of the organic polymers took place.

all these organic compounds were then aggregated together and surrounded by a feeble membrane. this structure was known as the protobionts.

Much more complex DNA based genetic system evolved after that.

Explanation:

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Answer 2

Correct option is

D

Proterozoic, Palaeozoic, Mesozoic, Cenozoic

Proterozoic era is the origin of first animal.

Palaeozoic era is the age of fishes and amphibians..

Mesozoic era is the age of reptiles.

Cenozoic era is the age of mammals.

So, the correct answer is 'Proterozoic, Palaeozoic, Mesozoic, Cenozoic'

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