If a predatorHow does an ecosystem(生态系统) work? What makescan eat several species,it can survive the extinction(灭绝) ofthe populations of different species the way they are? Why areone of them. And if a predator can move on to another speciesthere so many flies and so few wolves?
What conclusion can be drawn from the examples in Paragraph 4 ?A. Uncontroled human actvifes greatly upset ecosystems.B. Rapid economic development threatens animal habitats.C. Species of commercial value dominate other species.D. Industrial activties help keep food webs stable.50. How does an ...
[1]How does an ecosystem(生态系统) work? What makes the[析微点·厚积语言基础]populations of different species① the way they are? Why are there so many flies①微积累——单复数同形词汇大集合and so few wolves? To find an answer, scientists have built mathematicalspecies n.物种;种类models ...
根据第二段第三句中的"When apredator always eats huge numbers of a single prey, thetwo species are strongly linked”可知,当一种掠食动物总是大量猎食单一的猎物时,这两个物种间会有紧密的联系,故选C项。6.答案:D解析:细节理解题。第三段中讲到,顶端捕食动物微小的变化会给整个生态系统带来巨大的影响,...
ecosystem- a system formed by the interaction of a community of organisms with their physical environment system,scheme- a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going" ...
An IoT (Internet of Things) ecosystem refers to a network of interconnected devices, sensors, and software applications that work together to collect, analyze, and share data. The ecosystem consists of various components, including devices, communication networks, data storage, and analytics tools, ...
Ecosystem is the interconnectedness of organisms including animals, plants, and microbes with each other and their non-living environment. Examples of the non-living aspects of the environment include climate, soil, water, sun, earth, rocks, atmosphere,
The living environment of other species will remain un-changed.D. The populations of other species will experience unex-pected changes.19. what conclusion can be drawn from the examples in Para-graph 4?A. Uncontrolled human activities greatly upset ecosystems B. Rapid economic development threatens...
【题目】How does an ecosystem () work? What makes the populations of different speciesthe way they are? Why are there so many flies and so few wolves? To find an answer, scientistshave built mathematical models of food webs, noting who eats whom and how much each oneeats.With such ...
. predators at the top of a food webhad a surprising amount of control over the size of the populations of otherspecies—including species they did not directly attack"可推知,食物网顶端的掠食动物的数量即使有一些小的变化也会对整个生态系统造成很大的影响,其他种类的动植物的数量会发生很大的变化。