IntroLife - Welcome to Bio110 Important Biology the science...

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Welcome to Bio110!
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Important!
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Biology, the science of life . . . How can we determine whether something is alive?
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What is life? Two words: CHEMISTRY and EVOLUTION
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Biology is based on two main facts: 1: Life follow the laws of physics and chemistry . 2: All biological processes are a result of evolution .
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The first fact: Life follow the laws of physics and chemistry .
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Think about this . . . Any organism (including us), is essentially a mixture of: Water Minerals Proteins Sugars Fats however . . .
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. . . organisms are fundamentally different from mere chemicals . . . Y o u . . . S a n ta
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The second fact: All biological processes are a result of evolution .
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Adaptation Morphological Biochemical Physiological “Nothing in biology makes sense except in the light of evolution” T. Dobzhansky
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Moreover, biology as a science can be seen as having three main dimensions: The first dimension is the study of individual species ( from the molecular to the ecosystem level )
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The second dimension is the study of biological diversity ( biodiversity )
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The third dimension is the study of the history of all of these genes, species and ecosystems ( natural history )
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Atoms Molecules Cells Tissues Organs Organisms Populations Communities Ecosystems Organization
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IntroLife - Welcome to Bio110 Important Biology the science...

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