Heteroecious Denoting rust fungi that require two host species to complete their life cycle.
转主寄生：描述某些锈菌必须存在两个寄主才能完成它的生活周期。
Parasitic wasps learn from experience how many eggs to lay into the eggs of different host species.
把很多但下到宿主的蛋上面的方法，黄蜂从这经验中学习下蛋法。
A study has shown that reed warblers - a cuckoo host species - are less likely to attack more "hawk-like" cuckoos.
一项研究表明，苇莺攻击长得像鹰的杜鹃的几率比较少。
Human deaths following exposure to foxes, raccoons, skunks, jackals, mongooses and other wild carnivore host species are very rare.
人类由于接触狐狸、浣熊、臭鼬、豺、猫鼬以及其他食肉性野生宿主后患狂犬病死亡的情况极为罕见。
Fungi in special circumstances become "parasites" by attacking living tissue of the host species, causing the death of these individuals.
真菌在特殊的环境下成为“寄生物，”侵染寄主种的活组织，引起这些个体的死亡。
The adaptation is so precise that when a louse 's host species evolves into a new one, the louse will diversify into different species, too.
这种适应特征非常精准，如果虱子的宿主物种进化成为一种新的物种，虱子也会进化成不同的物种。
The topics we expect to cover include the dynamics of infections of the whole range of host species: humans, wildlife, livestock and plants.
我们覆盖的主题包括感染的宿主与物种的全部动态：人类，野生动物，家畜和植物。
According to published records, more than 60% species of monogeneans were found only on 1 host species, and about 75% species on 1 host genus, over 97% species on 1 host family.
从目前已有的记录来看，60 %以上的单殖吸虫只有1种宿主，约75%的单殖吸虫的宿主仅为1属，超过97%的单殖吸虫的宿主在1科之内。
By complicating the understanding of viral evolution, the new findings also promise to help inform transmission dynamics and the ways in which viruses move among different host species.
这项新发现让病毒的进化方式变得更加令人费解，同时也有助于解释传输动力学和病毒从一个宿主感染给另一个宿主的方式。
It attacks the larvae of other bee species, removes them from the nest, and takes their place to be raised by the unknowing host mother.
它攻击其他蜜蜂品种的幼虫，将它们从巢里移走，替代它们接受蒙在鼓里的宿主母亲的喂养。
That is because new viral diseases generally happen when a virus mutates in a way that allows it to jump species, and then continues to evolve to exploit its new host.
这是因为病毒性疾病一般发生在病毒的宿主从某个物种跳跃到另一个物种，继而进化以利用新宿主的方式变异之后。
The killer plants have been identified as among a host of species that are thought to have been overlooked by botanists and explorers searching the world's remotest regions for carnivorous species.
据认为，在世界最偏远区域研究食肉物种的植物学家和探索者忽视了这些在许多物种中已经被确认了的杀手植物。
Dr Barraclough's classification shows that these two apparent species are, indeed, real and evolutionarily distinct, even though they share a host.
Barraclough博士的分类表明这两种明显的物种的确并且在进化上是截然不同的，尽管它们寄生于同一个寄主。
The mature bee larva pictured above is from a species that attacks the larvae of other bee species, removes them from the nest, and takes their place to be raised by the unknowing host mother.
上图中已经成熟的蜜蜂幼虫正在攻击其他蜜蜂品种的幼虫，在将这些受害者从巢里移走之后，这些幼虫占据了巢穴，接受蒙在鼓里的宿主母亲的喂养。
Wild sarsaparilla, wild oats, Solomon's seal and a host of understory plants die off; grass-like species such as Pennsylvania sedge take over.
野生撒尔沙、野生燕麦、玉竹和大量的林下叶层植物相继死光；宾夕法尼亚莎草之类的草类物种接管了领地。
H5N1 appears to have expanded its host range, infecting and killing mammalian species previously considered resistant to infection with avian influenza viruses.
H5N1病毒似乎扩大了宿主范围，导致以往被视为对禽流感病毒具有抵抗力的哺乳类动物的感染和死亡。
The bat, along with an orange spider and a yellow-spotted frog are among a host of new species found in a region of Papua new Guinea.
巴布亚新几内亚一地区发现的一大批新物种。上述的这种蝙蝠，以及一种橙色的蜘蛛和一种黄斑蛙都位列其中。
He writes that if other coral species can host it or similar types of algae, they also might adapt to warmer habitats relatively easily.
他写道，如果其他的珊瑚虫种类都能依附到这种海藻或者相似的海藻上，他们也可以很容易的适应这种水温升高。
Host marking pheromones may also play a role in mediating the competition for host resources Shared by closely-related species.
昆虫寄主标记信息素也调节昆虫近缘种之间对共同寄主资源的竞争。
At least 15 countries now host colonies, which frequently prosper at the expense of native species.
目前，至少15个国家受到外来物种的入侵，这种入侵是以牺牲本土物种为代价的。
Aim Investigation of the species of Paragonimus and first and second intermdiate host (snail and crab) and their infection rate of Paragonimus in Xindian Town, Fuzhou City.
目的通过调查、了解福州新店镇肺吸虫病疫区病原虫种和第一、二中间宿主（螺、蟹）的种类和感染率。
Objective To investigate species, infection and breeding regulation of the intermediate host of Trichobilharzia in the Huaihe River System.
目的探讨淮河水系毛毕吸虫中间宿主椎实螺种类、感染情况及繁殖节律。
Objective To investigate the species, infection rate and rhythm of reproduction of the Lymnaeidae, intermediate host of Trichobilharzia in the Huaihe River System.
目的探讨淮河水系毛毕吸虫中间宿主椎实螺的种类、感染情况及繁殖节律。
The final host animals of 7 species of Paragonimus found in the whole province were 18, with the most of civet cat family, cat family, dog family and rat family.
结果在全省发现的卫氏并殖吸虫等7种虫种的终末宿主动物有18种，以灵猫科、猫科、犬科和鼠科动物为主。
All around the trees and other plant species, different covered spaces host multiple facilities: market, areas for concerts and manifestations, bar, restaurant, info-centre, multimedia point.
周围所有的树木、其他植被和不同覆盖的场所承担着多重功能：市场、音乐会和群体活动场所、酒吧、餐厅、信息中心、多媒体场所。
The host plants of this insect include 389 species (varieties) in 109 families, and are composed of ferns plants, gymnospermae, dicotyledons and monocot crops.
该虫寄主涉及到蕨类植物、裸子植物、双子叶植物、单子叶植物，共计109科389种(包括变种)。
There are still 34 species of host undetermined pests needing further observation and study.
尚有34种寄主未确定的害虫，还需进一步观察和研究。
There are still 34 species of host undetermined pests needing further observation and study.
尚有34种寄主未确定的害虫，还需进一步观察和研究。
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