The Ecology of Adaptive RadiationAdaptive radiation is the evolution of diversity within a rapidly multiplying lineage. It can cause a single ancestral species to differentiate into an impressively vast array of species inhabiting a variety of environments. Much of life's diversity has arisen during adaptive radiations. Some of the most famous recent examples include the East African cichlid fishes, the Hawaiian silverswords, and of course, Darwin's Gal--aacute--;pagos finches,. This book evaluates the causes of adaptive radiation. It focuses on the 'ecological' theory of adaptive radiation, a body of ideas that began with Darwin and was developed through the early part of the 20th Century. This theory proposes that phenotypic divergence and speciation in adaptive radiation are caused ultimately by divergent natural selection arising from differences in environment and competition between species. In The Ecology of Adaptive Radiation the author re-evaluates the ecological theory, along with its most significant extensions and challenges, in the light of all the recent evidence. This important book is the first full exploration of the causes of adaptive radiation to be published for decades, written by one of the world's best young evolutionary biologists. |
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Inhoudsopgave
10 | |
The progress of adaptive radiation | 36 |
The ecological theory of adaptive radiation | 65 |
Divergent natural selection between environments | 84 |
Divergence and species interactions | 123 |
Ecological opportunity | 163 |
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Veelvoorkomende woorden en zinsdelen
adaptive landscape adaptive radiation alternative ancestor apparent associated beak body cause changes Chapter character displacement clade common compared competition correlated covariance differentiation direction distribution divergent natural selection ecological ecological opportunity ecomorph effects environments estimated et al evidence evolution evolutionary evolve example expected experiments exploit extinction favour finches fishes fitness flowers Galapagos genetic Grant greater habitat Hawaiian host hybrid hypothesis increase indicate individuals interactions involving islands isolation lakes least length levels lineages lines mainland mating mean measured mechanisms method morphological niche observed occur origin patterns peaks phenotypic plants pollinators populations possible predation prediction preferences present Press prey relatives represent reproductive isolation requires resource response result role Schluter seeds sexual selection shifts similar speciation species stages sticklebacks studies suggested sympatry Table taxa theory tion traits transplants trend University values variance variation whereas
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Thought in a Hostile World: The Evolution of Human Cognition Kim Sterelny Geen voorbeeld beschikbaar - 2003 |