Arvore da Evolucao dos Sistemas Biologicos: Novo Modelo Academico

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New Timetree Shows Life is Still Evolving at a Steady Rate

Temple University’s Center for Biodiversity director Stephen Blair Hedges, says: “We have produced a timetree of most described prokaryote species that has revealed a constant diversification rate, remarkably similar in that respect to eukaryotes and probably resulting from the same mechanism, the random nature of lineage survival over millions of years. Our results were contrary to the popular alternative model that predicts a slowing down of diversification as niches fill up with species.Tracing down the origins of species has long been a major goal in biology.”

The new tree of life constructed by the researchers. Credit: Temple University

The new tree of life constructed by the researchers. Credit: Temple University

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