Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.

生物学上的假设包括生态变化，这些变化是由昆虫和开花植物之间的共同进化，或海洋中以海底生物为食的捕食者的进化所带来的。

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Lattice structure has an ambivalent effect on the evolution of cooperation.

晶格结构对合作进化有矛盾的影响。

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Evolutionary game theory provides a uniform frame to study the evolution of cooperation.

进化博弈论为理解合作行为的演化提供了一个统一的框架。

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The field of energy efficiency, which is so very dear to President Obama, is yet another area to be highlighted for cooperation, and particularly renewable sources of energy, and also technological evolution in the energy arena as regards to smart grids or networks.

WHITEHOUSE: President Obama��s Bilateral Meeting with President Rousseff of Brazil | The White House