Notesale: Turn your study into money

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Life
The study of life reveals unifying themes,Organization Theme: New Properties Emerge
at Successive Levels of Biological Organization
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With each step from atoms to the biosphere, new emergent properties result from interactions
among components at the lower levels
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~ Structure and function are correlated at all levels of biological organization
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Cells are either prokaryotic or eukaryotic
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Prokaryotic cells lack
such organelles
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It is DNA that transmits
heritable information from parents to offspring
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Gene expression also produces RNAs that are not translated
into protein but serve other important functions
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Bioinformatics uses computational tools to deal with huge volumes of sequence data
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It also explains evolutionary adaptation—
the match of organisms to their environments
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We might use these an an example: Domain Bacteria and domain Archaea consist of
prokaryotes
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As diverse as life is, there is also evidence of
remarkable unity, revealed in the similarities between different species
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Look at the pictures to understand

~Energy and Matter Theme: Life Requires the Transfer and Transformation of Energy and Matter:
• Energy ows through an ecosystem
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Producers convert energy from sunlight to
chemical energy, some of which is used by them and by consumers to do work, and is eventually lost from the ecosystem as heat
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