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Which stage is most logical in the transition from chemical evolution to biological evolution?

Answer and explanation

Correct answer: From simple organic substances toward early life forms

Chemical evolution involved the formation of organic molecules from simple inorganic substances on the early Earth, followed by increasing chemical organisation. The transition to biological evolution is logically marked by the development of early life forms, such as self-replicating or cell-like systems, from organic substances. Hence, option B is correct. Multicellular organisms appeared much later. Exam tip: remember the sequence—inorganic substances → organic molecules → early life forms → more complex organisms.

Related tags

Chemical EvolutionBiological EvolutionOrigin Of LifeEarly EarthOrganic MoleculesEvolution Of EarthEvolution Of The EarthThe Origin And Evolution Of The Earth

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