Biology 2601A/B Chapter Notes - Chapter 9,10,12: Goby, Thermal Conductivity, Ectotherm
19 Sep 2016
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Hwa: chapter 10: pg 233-259, 278-283, tzmm: chapter 9 pg 255-257, 336-338. Broad temperature extremes across the planet and living organisms must adapt to these different environments. Temperature: a measure of the speed or intensity of the incessant random motions that all the atoms and molecules of any substance undergo on an atomic-molecular scale. More exactly, the temperature of a substance is proportional to the product of the mean square speed of the random molecular motions and the molecular mass. Heat: a form of energy; it is the energy that a substance possesses by virtue of the random motion motions of its atomic-molecular constituents depends on the number of atoms and molecules in the piece. Temperature is that it dictates the direction of heat transfer. Heat always moves by conduction or convention form a region of high temperature to low temperature.
