Respuestas
Respuesta:
the origin of life on earth is a scientific problem which is not yet solved. there are many ideas, but few clear facts.
most experts agree that all life today evolved by common descent from a single primitive lifeform. it is not known how this aerly life form evolved, but scientists think it was a natural process which happened about 3,900 million years ago. this is in accord whith the philosophy of naturalism: only natural causes are admitted
it is not known if metabolism came first or gene tics. the main hypothesis which supports genetics first is the rna world hypothesis, and the one whitch supports metabolism first is the protein world hypothesis
Another big problem is how cells developed. melvin calvin winner of the nobel prize in chemistry, write a book on the subject, and so did alexander oparin. what links most of the early work on the origin of life is the idea that before life began there must have been a process of chemical change. another question whitch has been discussed by
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