c. The size of animals 相关知识点: 试题来源: 解析 b 分析选项 a食物链中的箭头和动物的速度没有关系,所以选项 a 错误。分析选项 b在食物链中,箭头表示能量的流动方向,从生产者开始,沿着食物链传递给不同级别的消费者,所以选项 b 正确。分析选项 c箭头并非表示动物的大小,所以选项 c 错误。
What is a food web? Give an example. What does a food chain represent? What is an example of a keystone species in a food web? What is a terrestrial food web? What are the parts of a food web? What are food chains food webs and ecological pyramid models?
Food chain is View Solution What does food chain show? View Solution Knowledge Check Food chain is ANumber of human beings forming a chain for food BAnimals near a source of food CTransfer of food energy from producers to consumers DNone of the aboveSubmit Grazing food chain AProvides in...
The Arctic is the northernmost region of the globe and is covered in ice that shifts with the seasons. Temperatures are very cold and can reach down to -50 degrees Fahrenheit.Answer and Explanation: The food chain of the Arctic starts with lichen and short grasses as the producers. Primary...
Food Chains: Each ecosystem has its own energy flow that is shown in its food chains. Scientists use this information to identify those organisms that are crucial to the health and maintenance of an ecosystem. Answer and Explanation: Learn more about this topic: ...
How does blockchain work? A deeper dive may help in understandinghow blockchain and other DLTs work. When data on a blockchain is accessed or altered, the record is stored in a “block” alongside the records of other transactions. Stored transactions are encrypted via unique, unchangeable has...
“It does this for right answers, too, because that right prediction may have only had, say, a 30% certainty, but that 30% was the most of all the other possible answers,” Thompson said. “So, backpropagation seeks to turn that 30% into 30.001%, or something like that.” ...
Each is meant to represent the light of freedom as it shines on the four seas and seven continents of the world. A chain that represents oppression lies broken at her feet. Tourists can climb steps up to the crown and enjoy the spectacular bird’s-eye view of Manhattan and New York.n...
What does “niche market” mean? A niche market is a segment of a wider market defined by specific needs or preferences that set it apart from the broader audience. What are examples of niche markets? Conscious consumers Health and wellness ...
Uneven.Sectors that represent about 20 percent of the global economy would see the most economic exposure to the transition. Developing countries and fossil-fuel-rich regions would also be especially susceptible to changes in output, capital stock, and employment because highly exposed sectors make up...