PPT Slide
C. Animal temperature regulation
1. Poikilotherms (Cold-blooded)
a. Internal temp & metabolism ? external conditions
c. Ectotherms: external heat sources
d. Heterotherms: can generate internal heat
e. Energy can be allocated to production
2. Homeotherms (what taxonomic groups?)
a. Constant internal temperature
b. Mostly internal physiological mechanisms
c. Regulation by metabolism, insulation,
d. High metabolic rates => high activity
e. High cost of metabolism, limits on body size