A. It gives other organisms a place to live. B. It offers the necessary carbon source for other organisms. C. It makes the environment noisy. 相关知识点: 试题来源: 解析 B。解析:光合作用中植物固定二氧化碳,二氧化碳是碳源,其他生物在食物链等关系中依赖这个碳源。选项A中给其他生物提供居住场所主要...
Overview of How Ecosystem Changes Can Affect Human Health. In: Nriagu JO, ed. Encyclopedia of Environmental Health. Burlington: Elsevier; 2011:291-9.Confalonieri U, Aparicio M (2011) Overview of how ecosystem changes can affect human health. In: Nriagu JO (ed) Encyclopedia of environmental ...
How does climate change affect the Arctic ecosystem? A. It has no effect on the Arctic ecosystem at all B. New species will quickly move into the Arctic ecosystem and make it more diverse C. The melting of ice and rising sea levels are threatening the Arctic ecosystem D. The Arctic E....
How does temperature affect water availability in an ecosystem? What are the four major types of marine resources? Give one example for each type of the resources. What is a human impact on the environment that is having a direct negative effect on a s...
阅读理解 How does an ecosystem(生态系统)work? What makes the populations of different species the way they are? Why are there so many flies and so few wolves? To find an answer, scientists have built mathematical models of food webs, noting who eats whom and how much each one eats. Wi...
A. It increases biodiversity because new species are created B. It has no influence on biodiversity C. It reduces biodiversity as some species cannot survive D. It only affects the number of plants 相关知识点: 试题来源: 解析 C。解析:全球变暖对生态系统生物多样性的影响。C选项“它减少生物多样...
How does global warming affect the geosphere? How does climate change affect the geosphere? How does the ocean affect the geosphere? How does the lithosphere affect the atmosphere? How does the atmosphere affect the lithosphere? How does the hydrosphere affect climate?
How does conservation and stewardship relate to sustainability? Sustainability Sustainability in this context is best defined by the Brundtland Commission as "meet (ing) the needs of the present without compromising the ability of future generations to meet their own needs." Essentially, ensuring not ...
How does extinction affect the ecosystem? The loss of a predator can result in what is called atrophic cascade, which is an ecological phenomenon triggered by a predator's extinction that can also impact populations of prey, which can cause dramatic ecosystem and food web changes. ...
Or we can add shielding to lights to keep them focused where they need to be. If we treat light pollution as the problem it is, we can have a healthier ecosystem and a more beautiful night sky. Plus, we can keep scientists, polar bears, and Saturday morning cartoons off our backs....