Sharks aren't the scariest things in the ocean for scientists who dive to work. Powerful currents, creating where the ocean floor drops away, can be just as deadly. But the scientists who work underwater are trained to deal with these dangers. The rewards of research and underwater adventure...
In an ocean ecosystem, which organism has the most direct access to the sun's energy? A. Phytoplankton B. Zooplankton C. Small fish D. Whale 相关知识点: 试题来源: 解析 A。解析:在海洋生态系统中,浮游植物最直接获取太阳的能量。浮游植物是生产者,能够进行光合作用。而浮游动物(选项B)、小鱼(...
生物的英文是organism。一、读音： ['ɔːɡənɪzəm] 二、意思是生物。三、例句 Organism is the basic study of biology。生物体是生物研究的基础领域。四、词汇用法 organism通常指微小的“有机物、有机体”,引申可表示有机体系、有机组宽键核织。
The toxic dinoflagellate,Alexandrium fundyense, is a photosynthetic plankton—a microscopic organism floating in the ocean, unable to swim against a current. New research by scientists at the University of Hawai'i at Manoa (UHM) School of Ocean and Earth Science and Technology (SOEST) suggests th...
Lasting Impact of a Tsunami Event on Sediment‐Organism Interactions in the OceantsunamieventsedimentationbioturbationbenthossubstrateCore data examined in this study reveal that original sedimentary structures in the tsunami deposits were possibly modified by bioturbation, and that the tsunamigenic coarse‐...
Calcification, a physiological process to be considered in the context of the whole organism Marine organisms that produce calcium carbonate structures are predicted to be most vulnerable to a decline in oceanic pH (ocean acidification) based on the understanding that calcification rates will decrease ...
In the ocean, plankton are tiny organisms that form the basis of the marine food web. Phytoplankton, which are microscopic plants, produce oxygen through photosynthesis and are a crucial source of food for zooplankton and other marine creatures. Tiny organisms also have a role in biotechnology. ...
The deep sea (or deep layer) is the lowest layer in the ocean. Little or no light penetrates this part of the ocean, and most of the organisms that live there rely for subsistence on falling organic matter. Furthermore, most deep ocean waters have sufficient oxygen to support life. ...
从第二段中specifically, it could better scientists'understandingof how oceans draw down carbon dioxide-and ofocean acidification(酸化) in general.”可知;具体来说,它可以让科学家更好地理解海洋如何吸收二氧化碳以及海洋酸化的一般情况。因此可推知,它帮助科学家获得更多海洋信息。3.[答案]C[解析]推理判断题...
it could better scientists'understanding of how oceans draw down carbon dioxide—and of ocean acidification in general. Brendan Roark of Texas A & M University, who led a research expedition in 2006 to study the corals' climate records, presented his findings at the recent AAAS meeting.How long...