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| THe process whereby gases realesed from the earth's interior by volcanism formed atmosphere |
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| A comparatively simple organic molecule, such as an amino acid, that can link with other monomers to form more complex polymers such as proteins. |
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| The metobolic process in which organic molecules are synthesized from water and carbon dioxide, using the radiant energy of the sun captured by chlorophyll |
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| Refers to organisms that do not need oxygen |
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| Any organism taht depends on preformed organic molecules from its enviroment for nutrients. |
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| Describes organisms that synthesize organic molecules from inorganic raw materials as in photosynthesis. |
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| A cell that lacks a nucleus; the cells of bacteria and cyanobacteria |
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| THe stable nucleus of a continent consisting of a shield of precambrian rocks and a platform of buried ancient rocks |
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| A compound of of silicon and oxygen.makes up the earth's crust-least dense |
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| Name for all Late proterozoic faunas with animal fossils similar to those of the ediacara fauna of australia |
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| Sedimentary rocks made up of thin alternative bands of silica (chert) and iron minerals |
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| photochemical dissociation |
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| A process which water molecules in the upper atmosphere are disrupted by uv radiation to yeild free oxygen and hydrogen |
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| Granite gneiss and greenstones |
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| Where do greenstones form? |
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| in the basins between the island arc and the continent. |
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| Denitrifiers and methanotrophs |
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| 3 major rock units for a greenstone belt |
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| 1.Sedimentary unit 2. basalt 3.peridotite and basalt. |
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