Abstract

Paleontology In 1917, scientists published the first detailed report on an ancient fossilized ecosystem found near the village of Rhynie in Scotland. One hundred years later, the remarkably well-preserved Rhynie Chert fossils continue to provide insights into the life cycles of early land plants. As Kenrick describes in a Perspective, the life cycles of the Rhynie Chert plants were different from those of all current land plant lineages, even those considered to be ancient, such as mosses. Comparison with results from developmental genetics reveals how shifting patterns of gene expression transformed plant life cycles. Science , this issue p. [1538][1] [1]: /lookup/doi/10.1126/science.aan2923

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