About the origin of life, it is correct to affirm: a) The presence of oxygen in the primitive atmosphere is evidence that the process of photosyn...
About the origin of life, it is correct to affirm:
a) The presence of oxygen in the primitive atmosphere is evidence that the process of photosynthesis was used by the first life forms.
b) The first living beings were heterotrophs and obtained energy through fermentation.
c) Complex organic molecules existing in the primitive seas indicate that aerobic respiration was the first process of obtaining energy used by living beings.
d) The first living beings were autotrophs and obtained energy through fermentation or aerobic respiration.
e) The first beings were heterotrophs and obtained energy through aerobic respiration.
a) The presence of oxygen in the primitive atmosphere is evidence that the process of photosynthesis was used by the first life forms.
b) The first living beings were heterotrophs and obtained energy through fermentation.
c) Complex organic molecules existing in the primitive seas indicate that aerobic respiration was the first process of obtaining energy used by living beings.
d) The first living beings were autotrophs and obtained energy through fermentation or aerobic respiration.
e) The first beings were heterotrophs and obtained energy through aerobic respiration.
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A alternativa correta é a letra d) Os primeiros seres vivos eram autotróficos e obtinham energia por meio de fermentação ou respiração aeróbica. Acredita-se que a vida tenha surgido a partir de moléculas orgânicas simples que se formaram na Terra primitiva, em um ambiente sem oxigênio. Os primeiros seres vivos eram provavelmente autotróficos, capazes de produzir seu próprio alimento a partir de compostos inorgânicos, e obtinham energia por meio de fermentação ou respiração aeróbica. A presença de oxigênio na atmosfera primitiva só ocorreu após a evolução de organismos fotossintéticos.
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