Biology Lecture 2 - Exploring Life Introduction to Biology...

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Exploring Life Introduction to Biology
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Biology Scientific study of life
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Life Intangible quality that defies any simple definition Quality that distinguishes living organisms from dead organisms or non-living objects
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Characteristics of living things Reproduce Energy processing Respond to environment Homeostasis/regulation Growth Evolve Death Order (Organized) Cells
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Plant Cell (Cell Wall) Eukaryotic Cell Composed of Cells (have DNA)
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Complex and organized Doesn’t have to be living
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Acquire and use materials & energy
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Regulate internal environment
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Respond to Environment
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Growth and Development
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Reproduce
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Capacity to Evolve
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Hierarchy of biological organization The study of life extends from the micro
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Organelle Molecule Atom Subatomic Particle Particles that make up an atom The smallest particle of an element that retains the properties of that element A combination of atoms A structure within a cell that performs a specific function
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This note was uploaded on 04/15/2008 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas at Austin.

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Biology Lecture 2 - Exploring Life Introduction to Biology...

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