解析 B。解析:在海洋生态系统中,过度捕捞(Overfishing of a certain species)某个物种会造成严重的生态失衡。回收渔网(Recycling of fishing nets)、建立海洋保护区(Marine protected areas)和对海洋生物进行科学研究(Scientific research on marine life)都是对海洋生态有益的行为。
解析 B。解析:文章中提到“The marine ecosystem also plays a crucial role in regulating the Earth's climate. The oceans absorb a large amount of carbon dioxide from the atmosphere”,海洋生态系统在调节地球气候方面起着至关重要的作用,海洋吸收大量来自大气中的二氧化碳。
What is another important habitat in the marine ecosystem? A. Desert islands. B. Mountain ranges. C. Kelp forests. D. Grasslands. 相关知识点: 试题来源: 解析 C。原因:文中提到“Kelp forests are another important habitat, providing food and shelter for many marine animals.”。 反馈 收藏 ...
解析 C。解析:文章中提到“To address these problems, several solutions can be implemented. One approach is to reduce pollution by properly disposing of waste and reducing the use of single-use plastics.”,即减少海洋生态系统污染的方法之一是正确处理废物。
解析 C。解析:文章中提到“Climate change is another threat, as it can cause rising sea levels, ocean acidification, and changes in temperature and currents.”,即气候变化对海洋生态系统的影响包括海平面上升、海洋酸化以及温度和洋流的变化。反馈 收藏 ...
A. Increase in the number of fish species B. Improvement of water quality C. Disruption of the food chain D. Reduction in sea - level rise 相关知识点: 试题来源: 解析 C。解析:过度捕捞会使海洋中某些鱼类的数量急剧减少。在海洋生态系统中,鱼类处于特定的食物链中,当某些鱼类数量减少时,会影响到...
A. Forest fires. B. Pollution. C. Earthquakes. D. Volcanic E. ruptions. 相关知识点: 试题来源: 解析 B。原因:“However, the marine ecosystem is facing numerous threats. Pollution is one of the major concerns.”表明污染是海洋生态系统面临的主要威胁之一。反馈 收藏 ...
These efforts aim to optimize the environment for innovation, gather innovative resources, foster a regional ecosystem of collaborative innovation, and bridge the digital divide, injecting strong momentum into common development. 文明之路。共建“一带一路”坚持平等、互鉴、对话、包容的文明观,弘 扬和平、...
The marine ecosystem off Peru: What are the secrets of its fishery productivity and what might its future hold?[J]. Progress in Oceanography, 2008, 79(2-4): 290-299.Bakun, A. and S.J. Weeks. 2008. The marine ecosystem off Peru: What are the secrets of its fishery productivity and...
Oil spills in the ocean have a great impact on the marine ecosystem. What is the direct consequence? A. The fish will grow faster. B. The water will become clearer. C. Many marine organisms will die. D. The sea level will rise. ...