The theory of abiogenesis proves that biological evolution is the result of chemical evolution. Stages of abiogenesis: monomers – biopolymers – probionts (prebiological systems) – unicellular organisms – sexual process – multicellular organisms. This was proved experimentally by the installation of G. Jury and S. Miller, who modeled the conditions of the ancient atmosphere of the Earth, in which the processes of converting chemical evolution into biological could take place. As a result of the experiment, scientists received various organic compounds, among which the most important are amino acids. Subsequently, the next stage in the preparation of biopolymers, the most important of them — proteins and nucleic acids — the founders of life on earth, was proved. Modeling of probionts was carried out on the basis of coacervate drops A.I. Oparina. Oparin observed how clots formed in solutions of polypeptides, polysaccharides, RNA, and other high-molecular compounds under certain conditions, which he called coacervate drops. Drops had a clear boundary, could adsorb some substances on their surface and increase in size. Oparin suggested that probably during the long evolution of probionts such systems arose in which metabolism combined with the ability to reproduce itself. such probionts had the best prospect of being preserved in prebiological selection. Their further development has already fully acquired the features of biological evolution: prokaryotes – unicellular eukaryotes – multicellular eukaryotes arose.
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