耐受性定律:当任何一个生态因子在数量上或质量上不足或过多,超过某种生物能够耐受的极限时,均会使该种生物不能生存,甚至灭绝。 耐受性定律不但具有以下优点:(1)不但考虑了因子的过小,还考虑了因子的过大问题;(2)不但考虑了因子的量的变化,更考虑了生物本身的耐受性问题;(3)耐受性定律考虑到了因子的替代和补偿...
B. Only for the developed countries. C. For China and the whole world. D. For no one. 相关知识点: 试题来源: 解析 C。解析:文章最后提到“ecological civilization construction is of great significance for China and the whole world.”生态文明建设对中国和全世界都具有重大意义。反馈 收藏 ...
What ecological impact is caused by the use of energy? What is an ecological role? What is the ecological significance of interdependence? What does ecological sustainability mean? What does ecological issues mean? What is the meaning of ecological climatology?
1. What is e-waste? 2. How is most of it disposed of and how can recycling rates be improved? Explain how the freshwater and ocean ecosystems interact. What processes decrease salinity? What is the significance of ecological succession? What kind of impact on the surrounding environment ...
A.ThesignificanceofLondon?scampaign. B.TheeffectsofnationalparksonLondon. C.TheresourcesofLondon?sgreenspace. D.ThestrategicthinkingofLondonforlong. 11.Whatcanweinferfromthelastparagraph? A.Tryingtobeanationalparkcityisturningnew trend. B.Nationalparkcitiesarespringinguparoundthe world. C.ItissoeasyforLo...
What is the significance of global cooperation in animal protection for future generations? A. Destroying the environment for future generations. B. Leaving no resources for future generations. C. Providing a better ecological environment and rich biodiversity for future generations. D. Harming future ...
The idea is that we are taking more out of what you might call the planet's environmental bank balance than it can sustain; we are living beyond our ecological means. 出自-2016年6月阅读原文 Specify in what way their products are green. 出自-2016年6月阅读原文 So what you need to know ...
What, if anything, is a 'typical' viper? Biological attributes of basal viperid snakes (genus Causus Wagler, 1830) For many major phylogenetic radiations of organisms, the available ecological knowledge is disproportionately derived from a small minority of taxa, and so... INEICH I.,BONNET X...
Arbuscular mycorrhizal (AM) symbioses are widespread in land plants but the extent to which they are functionally important in agriculture remains unclear,
The ecological significance of birds feeding from the hand of humans Article Open access 17 June 2020 Introduction Humans have an intimate relationship with birds. Birds are very common in art (e.g., the Rime of the Ancient Mariner), they populate myths and religions (e.g., the bird-head...