There's a tank of frog spawn, a pack of self-shuffling playing cards, and other wonders here.

房間里還有一口養(yǎng)著蛙卵的魚缸，一副自動(dòng)洗牌的紙牌欧美黄色网站在线看，還有其他令人驚訝的東西。

The time budget of reproductive behavior was as following: amplexus(67%), wrestle(17%), and bites(15%). Based on the description of behavior, we also discussed the mechanism of behaviors.

棘胸蛙的繁殖行為也主要發(fā)生在夜間，在凌晨02：30~04：30為高峰国产首页在线视频，其間抱對行為占到67%，其次為摔跤17%黄黄视频免费观看，撕咬15%免费一级毛片在线播放放视频，而其余所占很少。

The behaviors included stillness behavior, social behavior, playing behavior, feeding behavior, and reproductive behavior (advertisement call, aggression, dislodge, bite, wrestle, amplexus, amplexus error, reject, oviposition).

結(jié)果表明：人工環(huán)境下的棘胸蛙行為主要包括靜止行為欧美老妇人性爱网；社會(huì)行為欧美国产日韩一区二区三区免费的在线视频；運(yùn)動(dòng)行為；捕食行為在线日韩素人自拍网页观看视频；繁殖行為（求偶鳴唱亚洲精品综合玖玖爱在线、侵占、驅(qū)趕亚洲幼小激情视频图片小说在线播放网站、撕咬免费播放大片免费观看视频，摔跤、抱對人人超碰人人双人人舔、錯(cuò)抱欧美激性欧美激情在线小说、拒絕行為、產(chǎn)卵）等九久视频精品免费。

I have constructed and screened a cDNA library of Xenopus oocytes with E-cadherin probe. One of the four cadherin-related mRNAs analyzed is possibly localized to the animal pole.

在本篇論文中三级视频网站视频网站受不了了，我們建立了蛙卵母細(xì)胞的cDNA library北京一级黄片，并利用E-cadherin 探針從中選殖到幾個(gè)cadherin-related基因，在已分析的四個(gè)基因中有一個(gè)基因在卵母細(xì)胞中有不均勻分布發(fā)生操X国产。

The niche breadths of adults and subadults of three anuran species (Rana kukunoris, Nanorana pleskei and Bufo minshanicus ) in Zoige Wetland Nature Reserve, Sichuan, China were studied. The results showed that the niche breadths of B. minshanicus adults on the 5 dimensional axes including character of pasture, number of yak dung, vegetation coverage, temperature and humidity of ground surface, were narrower than those of R.

研究了若爾蓋濕地國家級自然保護(hù)區(qū)的3種無尾兩棲類美女操比视频网站，高原林蛙、倭蛙和岷山蟾蜍的成體和亞成體在7個(gè)生境因子(牧場性質(zhì)久久久99人妻免费精品区一、牛糞數(shù)量国产很爽的超薄丝袜脚交网站、植被高度、植被蓋度黄色一级网站视频在线观看、距水塘距離欧美亚洲综合另类国产情拍图、地表溫度、地表濕度)上的生態(tài)位寬度鲁鲁在线视频。

The effects of dopaminergic drugs on the secretion of gonadotropin-releasing hormone and luteinizing hormone were investigated by the in vivo injection of dopamine, apomorphine and domperidone into Rana rugulosa at the sexually recrudescing stage, and by radioimmunoassay.

利用在體注射實(shí)驗(yàn)和放射免疫測定法在线视频中文字幕日韩精品一区二区，研究了多巴胺能藥物對性腺處于再發(fā)育期虎紋蛙的促性腺激素釋放激素及促黃體激素分泌活動(dòng)的影響。

Anurognathus was a tiny pterosaur that had a short head, pin-like teeth for catching insects, and although it traditionally is ascribed to the long tailed pterosaur group, its tail was comparatively short, allowing it more manoeuvrability for hunting in woodland.

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The event has a lot to do with "The Celebrated Jumping Frog of Calaveras County"- Mark Twain's novel of a frog-jumping contestant.

這項(xiàng)別開生面的比賽源于美國著名作家馬克吐溫發(fā)表過的一篇小說《卡拉韋拉斯縣馳名的跳蛙》午夜三级视频免费看，講述了吉姆斯邁利和他訓(xùn)練有素的跳蛙丹尼爾韋伯斯特的故事。

Flying Frog Wallace's flying frog is found in Malaysia and Indonesia, where it lives high in the treetops.

飛蛙據(jù)悉欧美日韩另类精品专区，華萊士飛蛙生活在馬來西亞和印度尼西亞地區(qū)高高的樹頂91插进去。

Silhouetted against the night sky, a Wallace's flying frog glides through the air in Borneo.

婆羅洲的一只華萊士飛蛙凌空滑過，夜空襯照出了飛蛙的輪廓717电影网琪琪电影网。