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lunedì 23 febbraio 2015

WHERE DOES THE LIFE? land the secrets of the earth

                                       4. WHERE DOES THE LIFE?



panspermia

Life originated on Earth or in interstellar space and transported here by meteorites? The most basic components of life, such as amino acids and vitamins, were found in ice grains inside asteroids and the most extreme environments on our planet. Understanding how these combined parts form the primordial life is one of the biggest obstacles in biology. It has not yet been found trace fossils direct the first inhabitants of the Earth, which probably were primitive forms of bacteria.














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