The coding sequences of Igf2 have been reported in many mammalians, a few birds, amphibian and osteichthyes. But it has not been reported in goldfish. In our investigation, goldfish's insulin-like growth factor Ⅱ gene clone was obtained by PCR.

在許多哺乳類黄色视频久久免费，少數的鳥類一级黄啊啊啊啊网站、兩棲類和硬骨魚類中国产性爱一级视频，胰島素樣生長因子2的編碼序列已經被確定，但是金魚的Igf2尚未見報道欧洲性生活无码在线。

In this study, we investigate amphibian species and abundance using visual encounter, automated sound recording, and quadrat sampling methods in different habitats to understand population trends over the years.

本研究擬於2008年以目視遇測又黄又大又粗的视频、自動錄音和方格取樣三種方法亚洲中文久久精品无码无卡，對不同類型的棲地進行兩棲類調查，以了解族群變動趨勢欧美特级婬片免费播放口。

Check out all of our reptile,amphibian.bird and aquarium products.

歡迎訂購我們的產品国产Av人人澡夜夜澡人人爽！

As a well-known contemporary Western rhetorician and literary critic, Wayne Booth is what we term an "amphibian scholar" whose scholarly interests cover both of the fields of rhetorical theory and literary theory.

作為當代西方著名修辭學家和文學批評家自拍少妇亚洲，韋恩·布斯是一位在修辭和文學理論領域都卓有建樹的"兩棲學者"。

Chinese giant salamander,Which is the largest species in amphibian,is found in 17 provinces of China.

大鯢是我國特有的兩棲動物水蜜桃在线无码视频免费，生活在海拔300~1500m的山澗溪流，在我國十七個省區(qū)均有一定的種群分布。

An amphibian of the superorder Labyrinthodontia.

阿爾卑斯山卵生的蠑螈无码秒播成人影视网站大全免费。

A tetrapod is a vertebrate with two pairs of limbs, such as an amphibian, bird or mammal.

四足動物是一種擁有兩對肢的脊椎動物麻豆免费福利视频，比方像兩棲動物、鳥類欧美性爱精品影库、或哺乳動物人人操人人做人人骑人人插。

Insectivorous usually semiaquatic web-footed amphibian with smooth moist skin and long hind legs.

通常是半水棲2020亚洲精品极品色在线、蹼足并食蟲的兩棲動物美女被操黄色网站在线观看，體表光滑潮濕一级黄色毛片免费看,99久久综合，后肢長久久伊人狼。

Much of the camp was the work of the 1st Amphibian Tractor Battalion.

這片營區(qū)里的大多數帳篷都是兩棲工程車1營搭建的无码中文字幕一区二区三区Yp。

This paper had reported the results of investigation of amphibian resources and fauna characterization,which revealed 21 species or subspecies of amphibia(belonging to 11 genera,7 families and 2 orders) in this reserve.

報道了黑石頂自然保護區(qū)兩棲動物資源和區(qū)系特征的調查結果偷窥国产综合。已知有21種11屬7科2目。