| Jeffreey S. Levinton. The Big Bang of animal evolution. Scientific American, 267(5):52--59, November 1992. |
....1 And many animal lives, too: in a colonization experiment in small islands [9] all insects were exterminated. the influence of environmental or abiotic factors. Diversity also varies in a wider scale in geological time. In geological time, great speciation events like the Cambrian explosion ([10], 11] were characterized by a sharp increase in diversity, in the form of new species; big extinctions were also accompanied by a dive in diversity. It is not well know if diversity measures just certify the fact that the number or species shrunk, or declining diversity caused also massive ....
Jeffreey S. Levinton. The Big Bang of animal evolution. Scientific American, 267(5):52--59, November 1992.
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