The female of one species of firefly has learned to imitate the moves of another.
一种萤火虫的雌性学会了模仿另一种萤火虫的动作。
There's one species of snake, the brown tree snake, that uses both constriction and venom, depending on its prey.
有一种蛇——棕树蛇——会根据猎物的不同，同时使用毒液和挤压的方法来杀死猎物。
In there he tells of one species of snake that has a head at both ends.
在资料中他提到一种两端都是头的双头蛇。
One species of finch learned to pick up a cactus needle to poke for insects.
有一种雀科小鸟学会捡起仙人掌针去戳得昆虫猎物。
One species of ant belongs to a genus that is only found alive today in Australia.
一种蚂蚁属于一个今天只有在澳大利亚还存在的属。
But researchers noticed that one species of acacia was not much bothered by elephants.
但是研究人员注意到，大象对有一种相思树不感兴趣。
But as they are also one species of the animal kingdom, they cannot be completely wiped out.
作为动物界的物种，它又不能被完全消灭。
Seafood substitution is when one species of fish, crustacean or shellfish is deliberately or unintentionally sold as another species.
假冒海鲜是故意或无意地把某种鱼类、甲壳类或贝类当做另一种类出售。
However there is one species of pond snail, Lymnaea stagnalis, which demonstrates examples of both clockwise or anticlockwise spiralling shells.
然而，有一种叫做“静水椎实螺”的田螺，它是同时拥有顺时针和逆时针螺壳的典型代表。
One species and one variety of aconitum and delphinium each one species of thalictrum one subspecies of adonis and five species of ranunculus are described as new.
在本文中描述了乌头属和翠雀属各一新种和一新亚种，唐松草属一新种，侧金盏花属一新亚种，以及毛茛属五新种；
One 2004 study found that 48 percent of neckties worn by a sampling of New York City doctors and clinical workers carried at least one species of infectious microbe.
2004年一个研究发现48%纽约市医生及医务人员的领带携带有至少一种传染性微生物。
There's ready supply of fresh recruits nearby, where an intern feeds a saucer of goat blood to a colony of Anopheles stephensi, one species of mosquito that transmits malaria.
不用担心研究用的蚊子不够，一位实习生把一碟羊血放到氏按蚊（一种传播疟疾的蚊子）的聚集地培养试验品。
Large catfish in North America and Europe have reportedly bitten humans, and one species of very large catfish in Northern India is rumored to stalk and occasionally kill local villagers.
在北美和欧洲有大型鲶鱼咬人的报道，在印度北部甚至有传言称一种非常巨大的鲶鱼会埋伏甚至偶尔杀死当地的村民。
He explains that the disappearance of one animal can have serious consequence to remaining species in that habitat.
他解释说，一种动物的消失可能会对该栖息地的其他物种造成严重的后果。
The problem is that competition ordinarily cannot be observed directly but must be inferred from the spread or increase of one species and the concurrent reduction or disappearance of another species.
问题是，人们通常不能直接观察竞争，而必须从一个物种的扩展或增加和同时另一个物种的减少或消失来推断。
Species interdependence in nature confers many benefits on the species involved, but it can also become a point of weakness when one species involved in the relationship is affected by a catastrophe.
在自然界中，物种的相互依赖给相关物种带来了许多好处，但当其中一个物种受到灾难的影响时，这种依赖也可能成为一个弱点。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
Most researchers expect to find that both modes of transition from one species to another are at work in evolution.
大多数研究人员希望发现从一个物种到另一个物种的两种转变模式都在进化中起作用。
It is one of the factors controlling the size of competing populations, and in extreme cases it may lead to the extinction of one of the competing species.
它是控制竞争种群规模的因素之一，在极端情况下，它可能导致一个竞争物种的灭绝。
As a habitat for many endangered species, the Yangtze River flows through diverse ecosystems and irrigates one-fifth of China's land.
长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。
According to this definition, one species is distinguished from another by the possibility of matings between individuals from each species to produce fertile offspring.
根据这一定义，区分不同物种的标准是不同物种的个体间相互交配产生可育后代的可能性。
The later species all depend on the preparations of the earlier one, for the actions of the zebra alter the vegetation to suit the stomachs of the wildebeest, topi, and gazelle.
后来的物种都依赖于早期物种的准备工作，因为斑马的行动改变了植被，以适应角马、黄羊和瞪羚的胃。
We are one of Canada's best zoos with over 6000 animals representing more than 450 species.
我们是加拿大最好的动物园之一，拥有6000多只动物，有450多种物种。
Gause performed numerous tow-species experiments in the laboratory, in which one of the species became extinct when only a single kind of resource was available.
高斯在实验室里进行了许多双物种实验，其中一个物种在只有一种单一资源的情况下就灭绝了。
It is home to one of the world's finest marine ecosystems, with more than 1,300 species of fish and 700 species of coral.
它是世界上最好的海洋生态系统之一的所在地，拥有1300多种鱼类和700多种珊瑚。
Research on the language of numbers shows, more and more, that one of our species' key characteristics is tremendous linguistic and cognitive diversity.
对语言中的数词研究不断表明，我们物种的关键特征之一就是庞大的语言多样性和认知多样性。
The analysis also suggests that pink iguana is one of the earliest examples of species diversification on the islands.
分析还表明，粉红色鬣蜥是这一群岛上物种多样化的最早例子之一。
These dams blocked access to upstream spawning beds for six species of salmon on what once was one of the most productive salmon rivers in the world.
这些水坝阻断了6种鲑鱼的上游产卵地，而这条河曾是世界上鲑鱼产量最高的河流之一。
He studied the Namib beetle, an ingenious species that lives in one of the driest places on earth.
他研究了纳米布甲虫，这是一种灵巧的物种，生活在世界上最干燥的地方之一。
He studied the Namib beetle, an ingenious species that lives in one of the driest places on earth.
他研究了纳米布甲虫，这是一种灵巧的物种，生活在世界上最干燥的地方之一。
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