feather wikipedia - EAS
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https://en.wikipedia.org/wiki/FeatherFeathers are epidermal growths that form a distinctive outer covering, or plumage, on dinosaurs, both avian (bird) and some non-avian (non-bird) and possibly other archosauromorphs. They are considered the most complex integumentary structures found in vertebrates and a premier example of a
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Xem thêmFeather derives from Old English "fether", which is of Germanic origin; related to Dutch "veer" and German "Feder", from an Indo-European root shared by Sanskrit's "patra" meaning ‘wing’, Latin's "penna" meaning ‘feather’, and
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Xem thêmFeathers are among the most complex integumentary appendages found in vertebrates and are formed in tiny follicles in the epidermis, or outer skin layer, that produce keratin proteins. The β-keratins in feathers, beaks and claws – and the claws, scales and
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Xem thêmThe feather surface is the home for some ectoparasites, notably feather lice (Phthiraptera) and feather mites. Feather lice typically live on a single host and can move only from parents to
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Xem thêmUtilitarian
Bird feathers have long been used for fletching arrows. Colorful feathers such as those belonging to pheasants have been used to decorate...
Xem thêmThe functional view on the evolution of feathers has traditionally focused on insulation, flight and display. Discoveries of non-flying Late Cretaceous feathered dinosaurs in China,
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Xem thêm• Hanson, Thor (2011). Feathers: The Evolution of a Natural Miracle. New York: Basic Books. ISBN 9780465020133.
• Lucas, Alfred M.; Stettenheim, Peter R. (1972). "Structure of feathers"....
Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồiFeather (disambiguation) - Wikipedia
https://en.wikipedia.org/wiki/Feather_(disambiguation)Feathers are epidermal growths which form an outer covering on birds and some dinosaurs.
Feather may also refer to:Wikipedia · Nội dung trong CC-BY-SA giấy phépFeather - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/FeatherXem thêm trên simple.wikipedia.org
The main feathers which cover the outside of a bird are called vaned feathers. Vaned feathers have a stiff center, with soft barbs on the side, which seem like hairs. The center is called a quill. This type of feather is called pennaceous (= like a pen).- Thời gian đọc ước tính: 2 phút
Feather - Wikimedia Commons
https://commons.wikimedia.org/wiki/Feather20/09/2021 · Deutsch: Taubenfeder, wahrscheinlich von einer verwilderten wildfarbenen Haustaube. Feather wear (recently moulted remiges, kittiwake, Rissa tridactyla ): the melanized parts are much more resistant than white ones. Close-up shot of a bird's feather. Close-up shot of a bird's feather with a grain of sand.
- Thời gian đọc ước tính: 1 phút
feather - Wiktionary
https://en.wiktionary.org/wiki/feather- feather (plural feathers) 1. A branching, hair-like structure that grows on the bodies of birds, used for flight, swimming, protection and display.quotations ▼ 1.1. 1873, W. K. Brooks, "A Feather", Popular Science Monthly, volume IV, page 687 1.1.1. Notice, too, that the shaft is not straight, but bent so that the upper surface of the featheris convex, and the lower concave. 1.2. 1914, Edgar …
Feather — Wikipédia
https://fr.wikipedia.org/wiki/FeatherLa Feather River est le principal affluent du fleuve Sacramento, long de 270 km, dans le nord de la Californie.. Géographie. Elle canalise une partie de l'eau provenant de la partie nord de la Sierra Nevada ainsi que celle d'une petite partie du centre de la vallée de Sacramento.La rivière possède une histoire riche en rapport avec la ruée vers l'or en Californie et l'extraction de l'or ...
- Bassin collecteur: Sacramento
- Bassin: 15 833 km²
- Longueur: 270 km
