2 résultats pour "sessiles"
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Animal - biology.
Vertebrates are customarily divided into cold-blooded and warm-blooded animals, but these labels are not very precise. Biologists normally use the terms ectoderm and endoderm to describe temperature regulation more accurately. An ectoderm is an animal whose temperature is dictated by its surroundings, while an endoderm is one that keeps its body at a constant warm temperature by generating internal heat. Reptiles, amphibians, and fish are ectoderms. Although they do not maintain a constant wa...
- Plus récemment encore, M. Woodward a découvert dans la craie supérieure un Pyrgoma, membre d'une sous-famille distincte des cirripèdes sessiles. Charles Darwin, De l'origine des espèces, traduction d'Édouard Barbier, ABU, la Bibliothèque universelle