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Explores how agents that naturally compete come to act together as a group, and discusses implications for multilevel selection. The author proposes controversial ideas - ripe for modeling and testing! Skim or search for the examples by looking for "for example" or "recent study" in the text.

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In its original sense, symbioses cover all kinds of interactions among unrelated organisms, whereas in a narrower concept, the term is often referred to as mutualism. Evolutionary biology recognizes symbiosis as an integrative process, and most fundamental evolutionary innovations arose from cooperative symbioses. Explore the huge variety of aquatic and terrestrial mutualism represented in this volume!

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Kin Selection is the process of natural selection through indirect fitness. Chapter 10 is especially rich with examples and evidence relating to the various theories of Inclusive Fitness introduced in the previous chapters.

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Parasites have evolved independently in numerous animal lineages, and they now make up a considerable proportion of the biodiversity of life. Robert Poulin provides an evolutionary ecologist's view of the biology of parasites.

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Several chapters in this book point toward examples and prior scholarship on major evolutionary transitions, and chapters are set up to present contrasting views of the topic. Start by skimming through Chapter 10 "The Role of Structural Criteria in Transition Theory: A Focus on Organisms," and Chapter 12 "The Role of Structural Criteria in Transition Theory: A Focus on Systems of Interacting Organisms." The shorter "comments" that make up chapters 11 and 13 will offer differing views.