Chapter 13 Opener: Weaver ants form superbly cooperative societies

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Presentation transcript:

Chapter 13 Opener: Weaver ants form superbly cooperative societies C:\Figures\Chapter13\high-res\Alcock8e-ChOpener-13.jpg

13.1 The energy budget of “helpers” in Neolamprologus pulcher (Part 1) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-01-1.jpg

13.1 The energy budget of “helpers” in Neolamprologus pulcher (Part 2) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-01-2.jpg

13.2 Effect of removal of the top-ranked subordinate helper in a cooperatively breeding group C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-02-0.jpg

13.3 Reproductive interference in a social animal C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-03-0.jpg

13.4 Competition for food is a cost of sociality in the fieldfare C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-04-0.jpg

13.5 Effect of parasites on cliff swallow nestlings C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-05-0.jpg

13.6 Social living with defensive benefits? C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-06-0.jpg

13.7 Mutual defense in a society of bluegills C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-07-0.jpg

13.8 The different categories of helping behavior C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-08-0.jpg

13.9 Cooperation among competitors C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-09-0.jpg

13.10 Cooperative courtship of the long-tailed manakin C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-10-0.jpg

13.11 Cooperation with an eventual payoff C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-11-0.jpg

13.12 A meerkat sentinel on the alert for approaching predators C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-12-0.jpg

13.13 Reciprocity in a social primate C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-13-0.jpg

13.14 Experimental demonstration of reciprocity in cotton-top tamarins (Part 1) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-14-1.jpg

13.14 Experimental demonstration of reciprocity in cotton-top tamarins (Part 2) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-14-2.jpg

13.15 The prisoner’s dilemma C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-15-0.jpg

13.16 The components of selection and fitness C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-16-0.jpg

13.17 A Belding’s ground squirrel gives an alarm call after spotting a terrestrial predator C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-17-0.jpg

13.18 Altruism and relatedness in pied kingfishers C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-18-0.jpg

13.19 Cooperation among scrub jay relatives C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-19-0.jpg

13.20 Seasonal changes in prolactin concentrations in breeders and nonbreeding helpers (Part 1) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-20-1.jpg

13.20 Seasonal changes in prolactin concentrations in breeders and nonbreeding helpers (Part 2) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-20-2.jpg

13.21 Helpers at the nest help parents raise more siblings in the Florida scrub jay C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-21-0.jpg

13.22 Conditional reproductive tactics of female white-fronted bee-eaters (Part 1) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-22-1.jpg

13.22 Conditional reproductive tactics of female white-fronted bee-eaters (Part 2) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-22-2.jpg

13.23 Haplodiploid sex determination in Hymenoptera (Part 1) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-23-1.jpg

13.23 Haplodiploid sex determination in Hymenoptera (Part 2) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-23-2.jpg

13.23 Haplodiploid sex determination in Hymenoptera (Part 3) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-23-3.jpg

13.24 Conflict within ant colonies over reproduction C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-24-0.jpg

13.25 A test of a hypothesis based on transactional theory C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-25-0.jpg

13.26 The effect of relatedness on equality of reproductive opportunities C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-26-0.jpg

13.27 Eusocial insects have sterile castes C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-27-0.jpg

13.28 Suicidal sacrifice by a worker bee C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-28-0.jpg

13.29 Eusociality has an evolutionary history C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-29-0.jpg

13.30 Haplodiploidy and the evolution of eusociality in the Hymenoptera (Part 1) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-30-1.jpg

13.30 Haplodiploidy and the evolution of eusociality in the Hymenoptera (Part 2) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-30-2.jpg

13.31 A sterile thrips soldier (right) next to a reproductive foundress female (left) C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-31-0.jpg

13.32 Altruism in aphids C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-32-0.jpg

13.33 Selfish behavior of aphid clone invaders C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-33-0.jpg

13.34 A mammal with an effectively sterile caste C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-34-0.jpg

13.35 Fortress living space may provide an incentive against dispersal in many eusocial insects C:\Figures\Chapter13\high-res\Alcock8e-Fig-13-35-0.jpg

C:\Figures\Chapter13\high-res\Alcock8e-Table-13-01-0.jpg

C:\Figures\Chapter13\high-res\Alcock8e-Table-13-02-0.jpg

C:\Figures\Chapter13\high-res\Alcock8e-Table-13-03-0.jpg

C:\Figures\Chapter13\high-res\Alcock8e-Table-13-04-0.jpg