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Sagot :
Origin of life :- Non-green, most likely anaerobe, organisms were the first to appear on Earth.
The earliest creatures were probably very similar to coacervates. These microorganisms are collectively referred to as heterotrophic anaerobes. These bacteria had to be anaerobic, which means they did not breathe oxygen, because there was essentially no oxygen in the environment at the time. Heterotrophs are essentially organisms that cannot produce their own food, hence the name "other feeders." Therefore, the term "heterotrophic anaerobes" refers to organisms that did not breathe oxygen but instead consumed some naturally existing food.
The chemoautotrophs, which never emitted oxygen, were the first autotrophic creatures. Chemotrophs are creatures that get their energy from oxidizing the environment's electron sources.
The concept of spontaneous genesis holds that live things could appear miraculously from inanimate matter. The concept of spontaneous genesis holds that live things could appear miraculously from inanimate matter.
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Full Question Here
Following are the two statements regarding origin of the life.
(a) The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
(b) The first autotrophic organisms were the chemoautotrophs that never released oxygen.
Of the above statements which one of the following options is correct?
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