Just as gills allow crustaceans to breathe underwater, tracheae (yellow, with cell nuclei in blue) allow insects to breath on land. Crustacean gills and insect tracheae share many similarities, indicating an evolutionary relationship exists between them. It will take the discovery of new fossils that capture insects’ water-to-land transition to understand this relationship in better detail.
Image by Dr. Robert Markus, Stockholm University.
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Just as gills allow crustaceans to breathe underwater, tracheae (yellow, with cell nuclei in blue) allow insects to breath on land. Crustacean gills and insect tracheae share many similarities, indicating an evolutionary relationship exists between them. It will take the discovery of new fossils that capture insects’ water-to-land transition to understand this relationship in better detail.

Image by Dr. Robert Markus, Stockholm University.

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