energetics of activity Flashcards
energy budget measurement
a method of measuring aerobic activity by characterizing an animals activities and the cost of those activities and then observing the animal to calculate an energy budget
doubly labeled water measurement
a method of measuring aerobic activitywhere isotopes of H and O2 are in the water and H2 18O is lost through water and respiration while D2O is only lost through water so the difference in D and 18O= field metabolic rate; must be measured on a 24 hour basis
cost of transport
energy cost per unit of distance at a particular speed; energy/distance=(energy/time)/(distance/time); swimming is the cheapest while walking is the most expensive
cost of drag
shape of organisms is so specialized for their locomotion that any small edition can create significant effects
influences on maximum oxygen consumption
circulatory system and symmorphosis
symmomorphosis
all organ systems with common functions develop approximately the same limits, multiple organs reach max oxygen consumption simultaneously
aerobic scope
MMR/BMR; how far an organism can rise above their BMR