If you go back in history approx. 4500 million years back when atmosphere was reducing organism were

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6.Evolution

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If you go back in the history approx. $4500$ million years back when atmosphere was reducing the organism were

Autotroph, aerobic

Chemo-autotroph, anaerobic

Chemo-heterotroph, anaerobic

Heterotroph, anaerobic

Solution

(c)The first living organisms developed in reducing atmosphere were chemo-heterotrophs as they required ready-made organic materials as food and anaerobes as they were capable of respiration in the absence of oxygen.

Standard 12

Biology

Which theory arguments that life on earth came from outer space?

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The primitive environment was reducing because in it

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Definitions / Explanation : Theory of spontaneous generation / Abiogenesis & Proteinoids

easy

In his experiments for origin of life, Miller obtained

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Which was absent in the atmosphere at the time of origin of life?

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If you go back in the history approx. $4500$ million years back when atmosphere was reducing the organism were

Solution

Similar Questions

Which theory arguments that life on earth came from outer space?

The primitive environment was reducing because in it

Definitions / Explanation : Theory of spontaneous generation / Abiogenesis & Proteinoids

In his experiments for origin of life, Miller obtained

Which was absent in the atmosphere at the time of origin of life?

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