Over 600 million years ago, animals evolved from a unicellular or colonial organism whose
cell (s) captured bacteria with a collar complex, a flagellum surrounded by a microvillar …

Our understanding of cancer is being transformed by exploring clonal diversity, drug
resistance, and causation within an evolutionary framework. The therapeutic resilience of …

The evolution of life on earth has been driven by a small number of major evolutionary
transitions. These transitions have been characterized by individuals that could previously …

Literature Cited to accompany Animal Communication, 2e Page 1 Principles of Animal
Communication, Second Edition Jack W. Bradbury and Sandra L. Vehrencamp Chapter 14 …

Organisms as simple as bacteria can engage in complex collective actions, such as group
motility and fruiting body formation. Some of these actions involve a division of labor, where …

The occurrence of cooperation poses a problem for the biological and social sciences.
However, many aspects of the biological and social science literatures on this subject have …

All social organisms experience dilemmas between cooperators performing group-
beneficial actions and cheats selfishly exploiting these actions. Although bacteria have …

The evolution of organismality is a social process. All organisms originated from groups of
simpler units that now show high cooperation among the parts and are nearly free of …

Since Hamilton published his seminal papers in 1964, our understanding of the importance
of cooperation for life on Earth has evolved beyond recognition. Early research was focused …

Agriculture has been a large part of the ecological success of humans. A handful of animals,
notably the fungus-growing ants, termites and ambrosia beetles,,, have advanced …