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The earliest terrestrial plants originated in the Cambrian period about 500 million years ago, 100 million years earlier than previously estimated by academics, according to a study by scientists at the Chinese Academy of Sciences.
the results have been published in the international journals Proceedings of the National Academy of Sciences and the Journal of Modern Biology.
about the ancestors of land plants, the earliest landing plants on Earth and the landing time, there has been more controversy in the academic circles.
Although fossils can provide the most direct and accurate evidence of species evolution, due to the lack of fossils and the rarity of complete fossils, it is difficult to make accurate inference.
the team at the Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences and the University of Bristol in the United Kingdom analyzed transcription data from 103 species and dozens of fossil evidence, and used a variety of computer models to answer the question of the origin of early terrestrial plants.
researchers calculated that the earliest land plants originated in the Cambrian period about 500 million years ago, about the mid-Cambrian period (about 515 million to 473 million years ago), which dates about 100 million years earlier than previous fossil estimates. "In the past, scholars thought that land plants originated 400 million years ago and thought that moss was the earliest land plant, and our results took this time 100 million years ahead of time and rejected the hypothesis that moss plants were the earliest terrestrial plants," said Harold Schneider, a
paper author and a researcher at the Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences.
in addition, this study emphasizes the importance of multidisciplinary evidence in the settlement of scientific disputes and has a far-reaching impact on understanding the evolutionary relationship between plants and fauna in early terrestrial ecosystems.
Source: Xinhua.com
