Life is present throughout the Universe in the form of microgerms carried on meteors.
The Distribution of Life in Space- The panspermia hypothesis
Chemical evolution theory of Life. Organic molecules could be formed from inorganic matter.
The primitive soup: Independently concurred with Oparin, proposing that oxygen was absent during the origin of life because it would have prevented the formation of important organic molecules.
Prebiotic experiment that confirmed abiogenesis hypothesis
The "building blocks" of life created with inorganic matter.
The classic experiment on the origin of life
Fox's thermal model: protenoids microspheres. He synthetized a protocell with inorganic molecules and thermal energy.
RNA world. RNA might be the first organic complex molecule with auto-replication capacity and, probably, has been the precursor of DNA
Endosymbiotic theory: the origin of eukaryotic cells.
The Iron Sulfur World Theory. A biochemical cycle that assembled the first living cell
Clay Origin of Life. The self-replication of clay crystals in solution could have created organic life.
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