たいりょうぜつめつ
大量絶滅
1. extinction event; mass extinction
2. Extinction eventAn extinction event is a sharp decrease in the diversity and abundance of macroscopic life. They occur when the rate of extinction increases with respect to the rate of speciation. Because the majority of diversity and biomass on Earth is microbial, and thus difficult to measure, recorded extinction events affect the easily observed, biologically complex component of the biosphere rather than the total diversity and abundance of life.
Read “Extinction event” on English Wikipedia
Read “大量絶滅” on Japanese Wikipedia
Read “Extinction event” on DBpedia
Read “Extinction event” on English Wikipedia
Read “大量絶滅” on Japanese Wikipedia
Read “Extinction event” on DBpedia
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