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原文連結
論文資訊
- 類型：已發表論文
- 日期：2011-07-12
摘要
Organismal modifications to their physical and chemical environment play a significant role in structuring many modern ecosystems, and experimental evidence suggests that such behavior can increase 多樣性. Despite the important role such activities play in connecting 生態學 and 演化, less is known of the macro演化ary impact of such influences, especially their role during major 演化ary transitions. The Ediacaran-Cambrian diversification of Metazoa encompassed the appearance and early diversification of virtually all major clades of 海洋 animals and the establishment of metazoan-dominated ecosystems. Here we assess the role of positive ecological feedbacks using a new compilation of the first occurrences of all metazoan phyla, classes; orders and equivalent stem taxa, as well as data from a previously pu
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