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物种的亲缘关系。

The Antarctic species have few special adaptations for polar life.

南的物种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.

这本书描绘了沙漠物种炎热环境的适应。

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

这种南美肉食动物的到来威胁到了当物种的生存。

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

多倍性常被当作引起在同一区并存的物种发生物种形成事件的一种机制。

Many types of animal have now vanished from the earth.

许多动物物种现已从球上绝迹。

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

河势散且河床运动剧烈的支流物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物种形成（物种分裂或系枝进化）。

That species disappeared in the Ice Age.

那个物种早在冰河时期就绝迹了。

This island is maintained as a sanctuary for endangered species.

那个岛继续作为濒危物种的保护区。

14 per cent of primate species are highly endangered.

14% 的灵长类物种处于高度濒危状态。

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

景区林郁，蔓交织，植物物种丰富。

The rabbit is a relatively recent introduction in Australia.

兔子是相较新引入澳大利亚的物种。

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物种毒。

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，乔木层的物种多样性指数较高，各样间的植物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.

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

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

不同物种摄入同种有毒物质效果是不同的，毒性强度与该物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.

它通过非洲大陆当特有的物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,也成为揭示物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物种在南洲和亚南洲。