The phylogenic tree of TFL1 homologs is almost accordance with the relative of those plants.

TFL1 蛋白的系统发育树基本符合种的亲缘关系。

The Antarctic species have few special adaptations for polar life.

南极的种对极生活几乎没有什么特别的适应性改变。

The book described the adaptation of desert species to the hot conditions.

这本书描绘了沙漠种对炎热环境的适应。

The arrival of this South American predator threatened the survival of native species.

这种南美肉食动的到来威胁到了种的生存。

Polyploidy is a mechanism often attributed to causing some speciation events in sympatry.

多倍性常被作引起在同一区并存的种发生种形成事件的一种机制。

Many types of animal have now vanished from the earth.

许多动种现已从球上迹。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧的支流种丰度和密度均很低甚至为零，生态条件差。

First, there is speciation (species-splitting or cladogenesis), caused by geographical isolation or some other mechanism.

首先，因理隔离或其它一些机制导致种形成（种分裂或系枝进化）。

That species disappeared in the Ice Age.

那个种早在冰河时迹了。

This island is maintained as a sanctuary for endangered species.

那个岛继续作为濒危种的保护区。

14 per cent of primate species are highly endangered.

14% 的灵长类种处于高度濒危状态。

LIN Yu-chang Area Serai, intertwined vines and plant species richness.

景区林郁苍茏，藤蔓交织，植种丰富。

The rabbit is a relatively recent introduction in Australia.

兔子是相对较新引入澳大利亚的种。

It is believed that this differential toxicity is due to species-specific toxicokinetics.

据认为，这一差别的毒性是由于种毒。

The community has an outstanding dominant species and the arborous layer possesses a comparatively high diversity index.

群落的优势种显著，乔木层的种多样性指数较高，各样间的植种类具有一定的相似性。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同倍杂合体种相比，因为与基因组加倍相关的染色体数目的变化,多倍杂合体种很容易判断。

Differential toxicity is seen in different animal models.It is believed that this differential toxicity is due to species-specific toxicokinetics.

不同种摄入同种有毒质效果是不同的，毒性强度与该种的毒代动力学密切相关。

It is spread by the bite of an infected tsetse fly (Glossina Genus), a species native to the African continent.

它通过非洲大陆特有的种即受感染的采采蝇（舌蝇属）的叮咬传播。

Insect melanism is one of the common polymorphism in nature, and has become classical study system for species evolution and adaptability.

昆虫黑化是自然界中普遍存在的一种多型现象,也成为揭示种在自然界中进化与适应的经典范例。

Safe for the moment from predaceous leopard seals, chinstrap penguins are the second most abundant species in Antarctica and the sub-Antarctic.

可以暂时的安全防备海豹的猎杀，帽企鹅是第二的最多丰富的种在南极洲和亚南极洲。