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...
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...
How Humans Affect The Everglades The environment offers essential resources, like nutrients that are recycled to keep soil fertile, biological services, such as providing the global pollination of crops that we depend on for food, and natural improvements for our quality of life, such as controlli...
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 ...
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 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 can human impacts on the water cycle be prevented? How are humans influencing the nitrogen cycle? How does the carbon cycle affect the ocean? What do humans do to affect the water cycle? How does the water cycle affect the biosphere? How does the water cycle affect the ecosystem? How...
In 1798, an English clergyman named Thomas Malthus made a dire prediction: He said the Earth could not indefinitely support an ever-increasing human population. The planet, he said, would check population growth through famine if humans didn't check themselves. The theory publicized by ...
no human beings. This is a simple truth of the world, people will only blindly rob nature, conquer nature, will only destroy the ecosystem, blame themselves, so that human beings on the verge of trouble. Remember, protecting the environment is equal to protecting our own living environment. ...
Again, this is not an inevitable consequence of extinction, as some extinctions will have little (or positive) ecological effect. Nevertheless,extinctions can have profoundly negative effects on the ecosystem, with knock-on negative effects for other species, including but not limited to humans. ...