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Which idea is most suitable for transition from chemical evolution to biological evolution?

Answer and explanation

Correct answer: Simple organic substances led toward self-replication and cellular organisation

Option A best describes the transition from chemical evolution to biological evolution. Chemical evolution refers to the formation and gradual organisation of simple molecules into more complex organic compounds under early-Earth conditions. A plausible next step was the emergence of molecules or systems capable of replication, combined with membrane-like boundaries and basic cellular organisation. Once heredity and variation became possible, natural selection could operate on early biological systems. The other options are scientifically unsuitable: Earth’s metallic core did not directly create organisms, ozone did not first construct cells, and solar wind is not a mechanism that formed humans. Therefore the answer correctly presents a gradual chemical-to-cellular pathway rather than sudden creation.

Related tags

Chemical-EvolutionBiological-EvolutionOrigin-Of-LifeCellular-OrganisationEvolution Of The EarthThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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