May 4, 2024
Early gills exchanged ions before hosting gas transfer

Early gills exchanged ions before hosting gas transfer

Nature, Published online: 19 October 2022; doi:10.1038/d41586-022-03220-7

During evolution, key physiological changes enabled vertebrates to achieve a more active lifestyle. A comparison between living animals challenges current ideas on the timing of one such change in our ancestors.

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