311C F10 L1OL-1 - Introduction: Themes in the Study of Life...

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Introduction: Themes in the Study of Life
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Biology
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Life
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Order Evolutionary adaptation Response to the environment Reproduction Growth and development Energy processing Regulation Fig. 1-3
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New properties emerge at each level of the biological hierarchy
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Atom The smallest particle of an element that retains the properties of that element carbon nitrogen oxygen hydrogen Subatomic Particle Particles that make up an atom proton neutron electron Molecule A combination of atoms DNA glucose water Organelle A structure within a cell that performs a specific function mitochondrion nucleus chloroplast Cell The smallest unit of life nerve cell Tissue A group of similar cells that perform a specific function nervous tissue Organ A structure usually composed of several tissue types that form a functional unit the brain Organ System Two or more organs working together in the execution of a specific bodily function the nervous system Biosphere That part of Earth inhabited by living organisms; includes both the living and nonliving
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This note was uploaded on 11/10/2011 for the course HDF 304 taught by Professor Gray during the Spring '08 term at University of Texas at Austin.

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311C F10 L1OL-1 - Introduction: Themes in the Study of Life...

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