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Question
The earliest formed organisms were
The earliest formed organisms were
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Solution
The correct option is C Chemoheterotroph
Chemotrophs are organisms that obtain energy by the oxidation of electron donors. These molecules can be organic (chemoorganotrophs) or inorganic (chemolithotrophs). Evolutionary biologists posit that the earliest organisms on Earth were chemoautotrophs like Archae bacteria that produced oxygen as a by-product and later evolved into both aerobic, animal-like organisms and photosynthetic, plant-like organisms. Thus, option C is correct.
Therefore, the correct answer is option C.
Chemotrophs are organisms that obtain energy by the oxidation of electron donors. These molecules can be organic (chemoorganotrophs) or inorganic (chemolithotrophs). Evolutionary biologists posit that the earliest organisms on Earth were chemoautotrophs like Archae bacteria that produced oxygen as a by-product and later evolved into both aerobic, animal-like organisms and photosynthetic, plant-like organisms. Thus, option C is correct.
Therefore, the correct answer is option C.
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