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The solar system was made up of gas and dust. It was starting to be created.
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Earth began to form by collinding with space debris.
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Earth stopped the collisions with space debris and cooled down and organic molecules began to accumulate.
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The basic divisions of Earth were formed.
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The first known continent was formed.
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The Earth looks the way it does today.
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Plants were being formed.
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Robert Hooke: studied nature by using an early light microscope.
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Redi's Experiment: Used two jars of meat; one closed, one opened to show that life doesn't form outta nowhere. To show that spontaneous generation isn't real.
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Spallanzani's Experiment: Tested the hypothesis on spontaneous generation with broth in flasks to prove it's not true. One was opened and one was closed.
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Pasteur's Experiment: Controlled Spallanzani's experiment and proved to everyone that spontaneous generation isn't true.
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Oparin's Hypothesis: Organic compounds could enter complex chemical reactions fueled by energy from lightening and UV radiation. These reactions would have resulted in the macromolecules essential to life such as proteins.
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Radiometric Dating: method of establishing somethinsg age
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Urey and Miller: used Oparin/s hypothesis in an experiment and produced organic compunds and amino acids.
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Lynn Margulis: She created the theory on the orgin of eukareotic organelles.
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Fox: Proved chemical reactions could occur spontaneously from nonliving organisms.
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Thomas Cech: found that RNA can act as a chemical catalyst.