Eoalulavis provides evidence that by 30 million years after Archaeopteryx , at least one group of early birds had developed the alula.

eoalulavis提供的證據(jù)表明，由三千萬年后精品国产AV第二页，始祖鳥www.dxj久久av，至少有一組早起的鳥兒已開發(fā)出阿盧拉。

Many present-day birds spend time both in trees and on the ground and Archaeopteryx likely did the same.

許多目前的天鳥花時間都在樹上三级毛片视频，并在地面上和始祖鳥可能不一樣一级二级毛片免费看不卡。

Thus, Archaeopteryx plays an important role not only in the study of the origin of birds but in the study of dinosaurs.

因此，始祖鳥不僅在鳥類起源人人摸人人操，而且在恐龍的研究上亚洲综合黄网，都扮演著一個重要的角色。

The Archaeopteryx is the most ancient bird and is an amazing animal ever.

始祖鳥是最古老的鳥類99国内精品人人操，是一種神奇的動物精品资源在线。

This is the first book to look not only at the life and times of Archaeopteryx but also at the chaotic scientific world into which it emerged.

這是第一本書看的生命和始祖鳥的時代日韩另类福利影院在线播放，而且在科學(xué)界的混亂將它不僅出現(xiàn)。

The question then is how the ancestors of Archaeopteryx , with the necessary characteristics, first took to the air.

那么問題是如何的祖先始祖鳥人人干人人插人人插人人操，并采取必要的特點国产91一区在线，首先升空。

Since its discovery the Archaeopteryx has caused more trouble than any other scientific icon.

自從發(fā)現(xiàn)的始祖鳥造成比任何其他科學(xué)圖標(biāo)麻煩亚洲国产成a人v在线观看。

But others argue that the claws of Archaeopteryx weren't suited to climbing.

但其他人則認(rèn)為魔爪始祖鳥人不適合攀登国产欧美日韩一区。

Archaeopteryx provided a starting point for speculation.

始祖鳥提供了一個起點的投機(jī)活動。

6 million years ago , a kind of body hovers like the archaeopteryx of the plane greatly the llano in Argentina in the sky .

600萬年前日本大乱交，一種體大如飛機(jī)的始祖鳥翱翔在阿根廷的大草原上空一级一片。