Chapter 10 – Evolution of Reproductive Behavior Biology 484 – Ethology Chapter 10 – Evolution of Reproductive Behavior

Chapter 10 Opener: The female (left) and the male (right) of the gorgeous lizard C:\Figures\Chapter10\high-res\Alcock8e-ChOpener-10.jpg

10.4 Bower building may be an indicator of brain size C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-04-0.jpg

10.6 Male and female gametes differ greatly in size C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-06-0.jpg

10.7 Parental investment takes many forms C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-07-0.jpg

10.8 Sexual behavior differences between sexes may arise from differences in parental investment C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-08-0.jpg

10.9 Male sex drive is intense C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-09-0.jpg

10.11(1) Phylogenetic relationship between complex parental care by males and sex role reversal C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-11-1.jpg

10.11(2) Phylogenetic relationship between complex parental care by males and sex role reversal C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-11-2.jpg

10.12 Mormon cricket males give their mates an edible nuptial gift C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-12-0.jpg

10.13 A katydid that shifts sex roles in relation to the availability of spermatophores C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-13-0.jpg

10.15 Sexually selected “ornaments” of males C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-15-0.jpg

10.16 Males of many species fight, using whatever weapons they have at their disposal C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-16-0.jpg

10.18 Dominant male baboons fail to control fertile females as completely as expected (Part 1) C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-18-1.jpg

10.18 Dominant male baboons fail to control fertile females as completely as expected (Part 2) C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-18-2.jpg

10.21 Satellite male mating tactics C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-21-0.jpg

10.25 Three different egg fertilization behaviors coexist in the bluegill sunfish C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-25-0.jpg

10.26 A male black-winged damselfly removes a rival’s sperm before transferring his own C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-26-0.jpg

10.27 Sperm competition has shaped the evolution of the black-winged damselfly’s penis C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-27-0.jpg

10.28 Sperm competition in the dunnock requires female cooperation C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-28-0.jpg

10.29 The reproductive anatomy of fertilization in birds C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-29-0.jpg

10.35 A potential nuptial gift C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-35-0.jpg

10.36 Sperm transfer and the size of nuptial gifts C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-36-0.jpg

10.40 A sexually selected ornament C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-40-0.jpg

10.41 Has cryptic female mate choice resulted in the evolution of stimulating male genitalia? C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-41-0.jpg

10.44 Do male ornaments signal good genes? (Part 1) C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-44-1.jpg

10.44 Do male ornaments signal good genes? (Part 2) C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-44-2.jpg

10.47 Mating with large males reduces female fitness in fruit flies C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-47-0.jpg

10.50 A mutually cannibalistic species: the ultimate in sexual conflict C:\Figures\Chapter10\high-res\Alcock8e-Fig-10-50-0.jpg

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