Chapter 4 -- Population Genetics


                  Potentila glandulosa common Garden experiments






Chapter 5 -- Temperature relations



















       HEAT LOSS and GAIN Mechanisms



Convergent Evolution of Rosettes of high altitude plants




ECTOTHERMY

        Basking

ENDOTHERMY

Thermal Neutral Zones




SURVIVING TEMPERATURE EXTREMES

    Plants



        Ectotherms



        Endotherms