RENR 205 Class notes

RENR 205 Class notes - RENR 205 Class notes 3/19/2008...

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19/03/2008 09:02:00 The frog will jump a little higher at 25 ft than 20, then 30 a little less, and 40 not  much at all. (temp) Thermal Aclimation: the bell curve will change- acclimation is reversible. OR Developmental response: (slower than TA) Irreversible change.  EX. Plants change their growth form: loblolly pine grown in shade will have  small mass root w/ lg. foliage.  But in sulight its opposite. Clear winged grasshopper: cool environment- exoskeleton is dark to absorb  heat. Hot env. Exoskel. Is light color . Dog fur Ch. 5- Water relations uptake= loss Plants: water is lost due to photosyn: absorbtion= traspiration +evaporation+  secretion Increase temp outside it increases evap and transp. Increase relative humidity-evap will decrease Gradients of H2O potential: Solute concentrations (osmotic pressure, salinity) Pressure (conc. Of h2o molecules) Matric forces (physical property of water in tiny spaces, water moving into a  sponge: against gravity) Fungi and primitive plants:
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RENR 205 Class notes - RENR 205 Class notes 3/19/2008...

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