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ABOUT LOUIS PASTEUR

• Born on December 27, 1822
• Came up with the food preparing process known as pasteurization.
• He also developed a vaccine for anthrax and rabies.

LOUIS'S IDEAS ABOUT THE ORIGIN OF THE EARTH

• experiments supported the germ theory of disease, they helped show that microorganisms are the true cause of many diseases.
• Pasteur studied the immune system and vaccination through research on chicken cholera and other diseases. He helped produce the first vaccine for rabies, saving the life of a young boy in 1885.

MILLER AND UREY

ABOUT MILLER AND UREY

• The miller-Urey experiment was a chemical experiment that simulated the conditions throughout at the time to be present on the early earth and tested the chemical origin of life under those conditions.
• These experiences proved there was over 20 different amino acids

MILLER AND UREY'S ADDITION TO THE ORIGIN OF LIFE ON EARTH

• There experiment established that the conditions that existed in earth primitive atmosphere were sufficient to produce amino acids, the subunits of proteins comprising and required by living organisms.
• Earths primitive atmosphere was capable of producing the building blocks of life from in organic materials.

OPARIN

ABOUT OPARIN

• Was a soviet biochemist notable for his untested theories about the origin of life
• Wrote a famous book about the origin of life
• He also studied the biochemistry of material processing by plants and enzyme reactions in plants

OPARIN'S ADDITION TO THE ORIGIN OF LIFE ON EARTH

• Oparin showed how organic chemicals in solution may spontaneously form droplets and layers, and outlined a way in which basic organic chemicals might form into microscopic localized systems from which primitive living things could develop. He suggested that different types of coacervates might have formed in the Earth's primordial ocean and, subsequently, been subject to a selection process, eventually leading to life.

HOW DID LIFE BEGIN ON EARTH, SUSTAIN ITSELF, AND DEVELOP OVER TIME?

• Started as a bacteria and this bacteria fead on carbon dioxide in the atmosphere
• In time more oxygen was in the atmosphere this allowing more organisms to develop