期刊
ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, VOL 44
卷 44, 期 -, 页码 523-553出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-earth-060115-012147
关键词
allometry; biovolume; maximum body size; macroevolution; geobiology
资金
- Division Of Earth Sciences [1151022] Funding Source: National Science Foundation
The Geozoic encompasses the 3.6 Ga interval in Earth history when life has existed. Over this time, life has diversified from exclusively tiny, single-celled organisms to include large, complex multicellular forms. Just how and why this diversification occurred has been a major area of interest for paleontologists and evolutionary biologists for centuries. Here, we compile data on organism size throughout the Geozoic fossil record for the three domains of life. We describe canonical trends in the evolution of body size, synthesize current understanding of the patterns and causal mechanisms at various hierarchical scales, and discuss the biological and geological consequences of variation in organismal size.
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