B. Their removal would cause a significant change or collapse of the ecosystem. C. They are the largest species in the ecosystem. D. They have the most complex life cycle. 相关知识点: 试题来源: 解析 B。解析:关键种在生态系统中重要的主要原因是如果它们被移除,将会导致生态系统发生重大改变...
见而可子院需总压气打写话价商华前认那低边见而可子院需总压气打写话价商华前认那低边A non - native plant species见而可子院需总压气打写话价商华前认那低边见而可子院需总压气打写话价商华前认那低边 相关知识点: 试题来源: 解析 B。解析:关键种(keystone species)是对其所在生态系统有...
Which of the following is a keystone species in a coral reef ecosystem? A. Small fish B. Coral C. Sea anemone 相关知识点: 试题来源: 解析 B。解析:在珊瑚礁生态系统中,珊瑚是关键物种。珊瑚礁为众多海洋生物提供栖息地、食物来源等重要资源,没有珊瑚,整个珊瑚礁生态系统将会受到极大的破坏,而小鱼...
解析 C。本题考查词汇与生态系统知识。在珊瑚礁生态系统中,Coral(珊瑚)是关键物种。它为许多其他生物提供栖息地和食物来源等。Seaweed(海藻)是珊瑚礁生态系统中的一部分,但不是关键物种;Clownfish(小丑鱼)依赖珊瑚礁生存;Starfish(海星)虽然也是珊瑚礁生态系统中的生物,但不是关键物种。
释义 常用 牛津词典 释义 关键种; 双语例句 全部 1. Fig trees are a keystone species in the ecosystem of tropical rainforest in Xishuangbanna. 榕树是热带雨林生态系统中的一类关键物种. 来自互联网 点击展开全部例句拍照翻译 语音翻译 智能背词 下载金山词霸APP...
A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance。根据这个定义，应该理解为关键物质。很少的数量就对周围环境起到巨大的调节作用。The role that a keystone species plays in its ecosystem is analogous to the role of a ...
While the most abundant and dominant species within a particular ecosystem is often crucial in perpetuating the ecosystem, a "keystone" species, here defined as one whose effects are much larger than would be predicted from its abundance, can also play a vital role. But because complex species ...
keystone species 英[ˈki:stəun ˈspi:ʃi:z] 美[ˈkiˌston ˈspiʃiz] 释义 关键种 实用场景例句 全部 Fig trees are akeystone speciesin the ecosystem of tropical rainforest in Xishuangbanna. 榕树是热带雨林生态系统中的一类关键物种....
A keystone is the stone at the top of an arch that supports the other stones and keeps the whole arch from falling. A keystone species is a species on which the persistence of a large number of other species in the ecosystem depends. ...
Based on the research of the keystone species, the concept of species importance (SI) was first advanced in this paper. The species importance can be simply understood as the important value of species in the ecosystem, which consists of three indexes: species structural important value (SIV),...