Traduction et analyse de mots par intelligence artificielle ChatGPT
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Qu'est-ce (qui) est pteropod - définition
![Unhealthy pteropod showing effects of [[ocean acidification]]](https://commons.wikimedia.org/wiki/Special:FilePath/Fis01026 (27555118153).jpg?width=200 "Unhealthy pteropod showing effects of [[ocean acidification]]")
Wikipédia
Pteropoda (common name pteropods, from the Greek meaning "wing-foot") are specialized free-swimming pelagic sea snails and sea slugs, marine opisthobranch gastropods. Most live in the top 10 m of the ocean and are less than 1 cm long. The monophyly of Pteropoda is the subject of a lengthy debate; they have even been considered as paraphyletic with respect to cephalopods. Current consensus, guided by molecular studies, leans towards interpreting the group as monophyletic.
Pteropoda encompasses the two clades Thecosomata, the sea butterflies, and Gymnosomata, the sea angels. The Thecosomata (lit. "case-body") have a shell, while the Gymnosomata ("naked body") do not. The two clades may or may not be sister taxa; if not, their similarity (in that they are both pelagic, small, and transparent, and both groups swim using wing-like flaps (parapodia) which protrude from their bodies) may reflect adaptation to their particular lifestyle.
