有鰭動物 的英文怎麼說
中文拼音 [yǒuqídòngwù]
有鰭動物
英文
finny creature-
But the recent discovery of detailed similarities in the skeletal structure of the flippers in all three groups undermines the attempt to explain away superficial resemblance as due to convergent evolution ? the independent development of similarities between unrelated groups in response to similar environmental pressures
但是,最近的發現,這三種動物的鰭足的骨骼結構都有詳細的類似之處,這個發現削弱了下文的企圖,即把表面上的類似解釋為趨同進化的結果? ?是指類似結構的獨立發展,在不相關的種群之間,對于類似的環境壓力的反應。The landd welling ancestors of this modern king of the sea were hunters with legs and the jaws and teeth of killers. their favorite hunting grounds were probably shallow waters near the mouths of rivers or off a level stretch of coast, for fish, both finny and shell, were then more plentiful and easier to catch than animals. because of this, these land mammals came to spend more and more time in the water
這個現代海中之王的陸上祖先,是有腿有顎有利齒的獵手。它們最喜歡的狩獵場,是靠近河口或是平坦海岸的近海淺水區,因為當時有鰭的魚類和貝殼類動物比現在要多,而且比其它動物更容易捕捉。由於這一緣故,這些陸地上的哺乳動物便逐漸在水中呆得越來越長了。Moreover the cases of evaluating the fish resources in the upper yangtze river by using basic data were much less. this research evaluates the fishery status in the upper yangtze river by using commercial fisheries data of hejiang section from 1999 to 2002. the age, growth and mortality of rhinogobio ventralis which is endemic to the upper yangtze river have been studied also. moreover we have estimated the biomas s of rhinogobio ventralis
本文是在實地調查的基礎上,結合水生生物流動監測站合江站1999 - 2002年的監測結果,對長江上游合江段的漁業捕撈現狀進行了評估,研究了重要的經濟特有魚類長鰭吻?的年齡、生長和死亡,並對其資源量進行了估算。China has a great variety of wildlife, over 4, 400 vertebrates, more than 100 rare species of the world : the giant panda, the golden monkey, the white - lipped deer, the south china tiger,
中國擁有脊椎動物4400多種,大熊貓、金絲猴、白唇鹿、華南虎、褐馬雞、白鰭豚、揚子鱷、丹頂鶴等百余種中國特產的珍稀動物。Some of these animals have modified or lost their limbs, but their common ancestor had them ? two in front and two in back, where fins once flicked instead
這些動物之中,有的改變了形象或者失去四肢,但?們的共同祖先都具有四肢,兩只在前、兩只在後,位於原本是魚鰭拍動的地方。At the aquarium, which hosts about 37, 000 animals of 750 species, now is the chance to meet the limited winter season s " ice fairy clione ! " clione is a mysterious neature that appears off the coast of hokkaido, and it s unique characteristics are its lovely shape and the angel - wing - like action of its fins
Clione是到訪北海道沿岸的稀有生物,它的鰭如同天使的羽毛,游起來的姿勢和動作異常可愛。在clione出現的鄂霍茨克海中生息的許多其他海洋生物也將展示。分享友人