Evolution, Motor of the Changing Biosphere

Johann Hohenegger ()
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Johann Hohenegger: University of Vienna

Chapter Chapter 17 in Creative Complex Systems, 2021, pp 275-290 from Springer

Abstract: Abstract The biosphere, representing the entity of organisms, has changed since it started 3,490 million years before present. Biodiversity increased steadily in the Phanerozoic starting at 541 million years ago, and was interrupted by five mass extinctions. The motor of this increase is organismic evolution caused by changing environmental conditions. Microevolution explains changes in the species’ life span and diversification by speciation. Macroevolution is responsible for extreme changes during speciation leading to higher taxonomic units (genera and families). Macroevolution is the main motor for rapid recovering of environments after mass extinction.

Keywords: Biosphere; Biodiversity evolution; Microevolution; Macroevolution; Life span (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:spr:crechp:978-981-16-4457-3_17

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DOI: 10.1007/978-981-16-4457-3_17

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