The chaos theory of evolution – life – 18 October 2010 – New Scientist

The chaos theory of evolution – life – 18 October 2010 – New Scientist.

 

Adaptationism certainly appears to hold true in microevolution – small-scale evolutionary change within species, such as changes in beak shape in Galapagos finches in response to available food sources.

However, there is still huge debate about the role of natural selection and adaptation in “macroevolution” – big evolutionary events such as changes in biodiversity over time, evolutionary radiations and, of course, the origin of species. Are these the cumulative outcome of the same processes that drive microevolution, or does macroevolution have its own distinct processes and patterns?

Deleuze and Guatarri on functionalism and microsociology – Gabriel Tarde in micropolitics and segmentarity

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