Chapter 7 Opener The burden of food

Figure 7.1 The second law of thermodynamics in action

Figure 7.2 The uses of energy by an animal

Figure 7.3 In this type of external work, some of the energy driving locomotion is converted to potential energy of position

Box 7.2 Units of Measure for Energy and Metabolic Rates

Figure 7.4 Lavoisier’s direct calorimeter

Box Extension 7.4A

Box Extension 7.4B

Figure 7.5 Specific dynamic action (SDA)

Figure 7.6 The effect of body size on weekly food requirements

Figure 7.7 BMR as a function of body weight in various species of placental mammals

Figure 7.8 Weight-specific BMR as a function of body weight in various species of placental mammals

Figure 7.9 Weight-specific metabolic rate as a function of body weight in four groups of vertebrates

Figure 7.10 Metabolic rate and body weight are related linearly on log–log coordinates

Figure 7.10 Metabolic rate and body weight are related linearly on log–log coordinates (Part 1)

Figure 7.10 Metabolic rate and body weight are related linearly on log–log coordinates (Part 2)

Figure 7.11 Hearts of a horse, cat, and mouse: Heart size in mammals is roughly proportional to body size

Box 7.5 Scaling of Heart Function

Figure 7.12 Herbivores of different body sizes coexisting on an African grassland

Figure 7.13 As the circulatory system is scaled up and down in size and extent, constraints predicated on fractal geometry may help give rise to allometric metabolic scaling

Figure 7.14 Net growth efficiency during each year of life in Pacific sardines (Sardinops sagax)

Table 7.1

Table 7.2

Table 7.3 (Part 1)

Table 7.3 (Part 2)

Table 7.4

Table 7.5