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| The scientific study of living things |
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| An organized genetic unit capable of metabolism, reproduction, and evolution |
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| The total chemical activity of a living organism, consists of thousands of individual chemical reaction |
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| A humans constant body temperature |
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| A change in the genetic composition of a population of organisms over time |
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| The differences among living things that enable them to live in different kinds of enviroment and adopt different lifesyles |
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| Differential survival and reproductive success of individuals |
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| Random inorganic chemical interactions produced molecules that had the remarkable property of acting as templates to form similar molecules |
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| No internal membrane enclosed compartments. Very simple |
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| The ability to use the energy of sunlight to power metabolism. All cells must obtain raw material and energy to fuel their metabolism |
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| Early photosynthetic cells were probably similar to present day prokaryotes |
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