Infographic: Metabolic Theory in Elephants and Mice

Infographic: Metabolic Theory in Elephants and Mice Characteristic Units & Formula Mouse Elephant Weight Grams 20 2,000,000 Metabolic rate Watts 4.1 M 0.75 20.5 1226 Metabolic rate/weight Watts/grams 0.018 M -0.25 0.049 0.0027 Heart rate Beats per minute 240 M-0.25 640 36 Lifespan Years 5.3 M0.25 2 35 Heartbeats/lifetime 700,000,000 700,000,000

Andrea
Feb 28, 2007

Infographic: Metabolic Theory in Elephants and Mice

Characteristic
Units & Formula Mouse

Elephant

Weight
Grams 20 2,000,000
Metabolic rate
Watts
4.1 M 0.75
20.5 1226
Metabolic rate/weight
Watts/grams
0.018 M -0.25
0.049 0.0027
Heart rate
Beats per minute
240 M-0.25
640 36
Lifespan
Years
5.3 M0.25
2 35
Heartbeats/lifetime
700,000,000 700,000,000
Respiration rate
Breaths per minute
54 M -0.25
145 8
Breaths per lifetime
150,000,000 150,000,000
Duration of pregnancy
Days
60 M0.25
23 401
Population doubling time
Years
0.6 M0.25
0.22 4
Population density
Individuals per square kilometer
100 M-0.75
1800 0.33
Rate of DNA base substitution
% substitutions per million years
3.8 M-0.25M
10 0.6