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Figure 5.2 Nervous system of a praying mantis
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Figure 5.4 The blowfly’s nervous system and digestive system
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Figure 5.5 Record of neural and behavioral activity of a calling cricket
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Figure 5.6 Circadian rhythms in cricket calling behavior
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Figure 5.7 Early in the night, the long-winged, flight-capable form of Gryllus firmus has higher concentrations of JH than the short-winged form alcock9e-fig jpg
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Figure 5.8 The cricket nervous system
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Figure 5.9 A master clock may, in some species, act as a pacemaker that regulates the many other mechanisms controlling circadian rhythms within individuals alcock9e-fig jpg
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Figure 5.10 The genetics of biological clocks in mammals and fruit flies
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Figure 5.11 Mutations of the per gene affect the circadian rhythms of fruit flies
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Figure 5.12 Expression of the gene that codes for PK2 in the SCN
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Figure Circadian control of wheel running by white rats changes when the brains of rats are injected with PK2 alcock9e-fig jpg
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Figure 5.14 Naked mole rats lack a circadian rhythm
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Figure 5.15 Circannual rhythm of the golden-mantled ground squirrel
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Figure 5.16 Circannual rhythm in a stonechat
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Figure 5.18 A cycle of photo-sensitivity
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Figure 5.19 A hormonal response to light
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Figure Changes in the song control regions of the rufous-winged sparrow’s brain occur after summer rainfall alcock9e-fig jpg
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Figure 5.22 Photoperiod affects testis size in the red crossbill
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Figure 5.23 Dominant male odors change female mate preferences in the house mouse
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Figure 5.24 Regulation of infanticide by male house mice
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Figure 5.25 A hormonal effect on infanticidal behavior in laboratory mice
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Figure 5.26 Testosterone and progesterone concentrations in three categories of male California mice
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Figure 5.27 Testosterone and the control of sexual motivation in male Japanese quail (Part 1)
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Figure 5.27 Testosterone and the control of sexual motivation in male Japanese quail (Part 2)
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Figure Female fruit flies mated to males unable to supply sex peptide are as likely to copulate again within 48 hours as are virgin females alcock9e-fig jpg
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Figure An associated reproductive pattern in the green anole and a dissociated reproductive pattern in the red-sided garter snake alcock9e-fig jpg
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Figure The chemical structure of testosterone and its diverse effects on physiology and behavior alcock9e-fig jpg
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Zysling et al. 2006
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Figure 5.36 Testosterone and territorial behavior (Part 1)
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Figure 5.36 Testosterone and territorial behavior (Part 2)
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Figure 5.39 Testosterone and the long-term maintenance of mating behavior
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