中喙 的英文怎麼說
中文拼音 [zhōnghuì]
中喙
英文
haustellum-
The feathers attached to the arms and the tail evidently possess the structures of " modern feathers ", which consisting of the central shafts ( rachis ) and parallel barbs. dromaeosaurids are unusual group of maniraptoran theropods. they share many similar or the same features with archaeopteryx or other primitive birds, such as : u - shaped furcula, uncinate process, laterally facing glenoid of shoulder girdle, comparatively long forelimb, large semilunate carple, retroverted pubis, ascending process of astragalus, and " modern feathers " with rachis and barbs etc. these facts indicate not only that dromaeosaurids had developed many bird - like characters in course of the advanced maniraptorans toward birds, but also that there seemed to be the co - evolutionary trend between the feathers and the skeletal bones
奔龍類是一類較為特殊的手盜龍類( maniraptora ) ,它具有許多與始祖鳥archaeopteryx甚至其它早期鳥類相似或接近的特徵,主要表現在:叉骨u形與始祖鳥和孔子鳥類的相同,背肋鉤狀突在孔子鳥類和個別反鳥類中也存在,肩臼窩絕大部分指向側方類似於始祖鳥,肩胛骨與烏喙骨間的夾角非常接近90也和始祖鳥的相似,前肢從比例上講顯得較長,大的半月形腕骨使肘部能向側方折過來,恥骨伸向後下方,距骨上升突與原始鳥類中的為同源結構,羽毛已有顯著的分化且具備了現代羽毛的基本結構等等。Longman ' s beaked whale
朗氏中喙鯨True ' s beaked whale
初氏中喙鯨They thrust and swing the front of the bills in the ponds or the sandy shore after the ebb, looking for shrimps, aquatic plants and insects
它們進食時則是用扁平的喙插進池沼或退潮后露出的沙灘中,頭部左右搖動以尋找小蝦、水草、水棲昆蟲等食物。The fossils here are not only abundant, but kept very intact, especially are well - known for a lot of biological software organize characteristic
如,在恐龍、鳥類、翼龍和哺乳動物的化石中發現了羽毛、毛狀物和毛發,許多生物化石都有軟組織結構如皮膚印痕、軟骨結構、角質喙等。The key is that adaptive fitness can be defined without reference to survival : large beaks are better adapted for crushing seeds, irrespective of whether that trait has survival value under the circumstances
關鍵在於,定義因適應而產生的生殖成就,不必涉及生存:大的喙嘴比較適應咬碎種子的工作,這與大型喙嘴在鳥兒所處的棲境中有沒有生存價值無關。The bird pecked seeds out of the sunflower
那隻鳥用喙從向日葵中啄出種的。分享友人