英:[fu:d web]
美:[fud wɛb]
英:[fu:d web]
美:[fud wɛb]
食物网
noun
the totality of interacting food chains in an ecological community
食物网
食物网
食物網
食物网
食物网
生态系统中,各种生物纵横交错的食物关系所形成的复杂网状结构。
食物网
食物网
根据能量利用关系,不同的食物链彼此相互连结而形成复杂的网络结构。形象地反映了生态系统内各生物有机体间的营养位置和相互关系。
The first known use of food web was in 1932
brown bearnoun
any of several bears that are mostly brown in color, are usually lumped together in a single species including the grizzly bear, and at one time inhabited much of North America from Alaska to northern Mexico as well as Europe and Asia
digestive systemnoun
the bodily system concerned with the intake, breakdown, and absorption of food and the discharge of wastes and that includes the mouth, pharynx, esophagus, stomach, intestine, anus, and glands (as the salivary glands)
standing roomnoun
space available for spectators or passengers to stand in after all seats are filled
exclamation pointnoun
a punctuation mark ! used chiefly after an exclamation to show a forceful way of speaking or a strong feeling
stand-in1 of 2noun
someone employed to occupy an actor's place while lights and camera are readied
substitute entry 1
stand in2 of 2verb
to act as a stand-in
food webnoun
the whole group of interacting food chains in an ecological community
1 Chief among them are determining the boundary of the dump site, mapping the spread of the pollution and tracking its migration across the food web.
2 And phytoplankton are the microscopic, plant-like marine organisms that form the foundation of the food web.
3 The extinction of key species could have cascading effects throughout the food web.
关键物种的灭绝可能通过食物链产生级联效应.
4 The complexity of the food web is thus greatly simplified.
这样,错综复杂的食物网就大大简化了.
5 How do we characterize and differentiate amongst a crystal lattice, the Internet and a food web?
我们如何来认识和区分晶格 、 Internet和一个生态食物链?
6 As these creatures continue to arrive in great numbers , said Goldstein, they might ocean's food web.
戈尔茨坦表示,随着越来越远海, 海洋食物网将发生改变.
7 These five species are parts of food chains that together form a food web.
这些五物种是的部分食物链那共同形状食物网.
8 Soil macrofauna has different functions in the soil food web, and it has different contributions to soil.
大型土壤动物在食物网的功能不同,对土壤的贡献也不同。