答案可能与它们以幼虫形式随着洋流漂流到新的喷气口的后代有关。
The answer might involve their offspring, which in their larval form drift in the currents to colonize new vents.
它们总是脱离主冰帽，在洋流的推动下四处漂浮，直到最终融化并被晒干。
They are always breaking away from the main caps and floating around, pushed by currents, until they eventually melt and are was ted.
有几种假说，包括地球变暖或变冷，季节波动或洋流的变化，以及大陆位置的变化。
There are several hypotheses, including warming or cooling of Earth, changes in seasonal fluctuations or ocean currents, and changing positions of the continents.
小行星碰撞后的碎片可能会含有大量的铱，而大气洋流会把这些物质带到全球各地。
Debris thrown into the atmosphere by an asteroid collision would presumably contain large amounts of iridium, and atmospheric currents would carry this material all over the globe.
其他科学家已经提议，要利用这个网络体系来追踪洋流，测量海洋和全球温度的变化。
Other scientists have proposed to use the network for tracking ocean currents and measuring changes in ocean and global temperatures.
这种观点可能是正确的：它的优点是洋流是由温差驱动的，而温差本身又取决于大陆的位置。
This view may be correct: it has the advantage that the currents are driven by temperature differences that themselves depend on the position of the continents.
新的海堤将耗资数亿英镑，只能让海浪和洋流到达沿岸远一点的地方，把问题从一个地区转移到另一个地区。
New sea walls would cost hundreds of millions of pounds and would merely make the waves and currents go further along the coast, shifting the problem from one area to another.
通过计算机模拟得到的关于风向和洋流的详细研究结果表明，移民到太平洋区域最不可能的交通工具应该就是漂流的独木舟。
Detailed studies of the winds and currents using computer simulations suggest that drifting canoes would have been a most unlikely means of colonizing the Pacific.
一旦与冰架脱离，这些冰山就会受到南极洲附近的洋流和季风系统的作用，并开始漂移。人们可以在南极洲较暗淡的冰山群中找到这些散落的冰山。
Once detached from the ice shelf, these bergs drift in the currents and wind systems surrounding Antarctica and can be found scattered among Antarctica's less colorful icebergs.
地峡的形成对全球洋流格局产生了重要的影响。
The formation of the isthmus had important consequences for global patterns of ocean water flow.
一些生物学家称，海洋洋流和空气气流是植物种子传播到夏威夷的原因。
Some biologists argue that ocean and air currents are responsible for the transport of plant seeds to Hawaii.
从大西洋流向地中海的瀑布不像直布罗陀海峡连接那些海洋时发生的地壳调整和断层运动那样壮观。
The cascades of water from the Atlantic to the Mediterranean were not as spectacular as the crustal adjustments and faulting that occurred when the Strait of Gibraltar was connected to those seas.
像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。
Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.
另外，他们可能利用洋流信号，水温或气味。
Alternative possibilities are that they use signals from ocean currents, water temperature or smell.
这些洋流不仅控制着水温，还运送着遥远的海洋生物。
These currents control more than water temperature. They transport distant Marine life as well.
随着洋流的变动，一些地区的气候将会产生急剧的变化。
And there might be drastic changes in the climate of some regions as ocean currents shift.
默茨冰山位于南极冰盖的东头，紧邻又冷又咸的深水洋流。
The Mertz Glacier islocated toward the eastern end of Antarctica, next to the cold andsalty deep current.
BP泄露的原油会在洋流作用下从墨西哥湾流进大西洋吗？
Are ocean currents likely to carry oil from the BP spill out of the Gulf of Mexico and into the Atlantic?
在大西洋东南，强大的洋流将营养丰富的深海海水带到水面。
In the southeast Atlantic Ocean, strong ocean currents carry nutrient-rich deep-ocean water to the surface.
事实上，相对地震，季风和洋流对一天时间长短的影响更大。
In fact, winds and oceans currents have an even bigger effect on the length of the day than this earthquake did.
图片里的冰可能是几天内形成的，它会随洋流漂流。
The ice in this image may have formed in a matter of several days, and it is prone to moving with currents.
但是深层波浪也穿过了海域，他们的影响只能从洋流上看出来。
But deeper waves also move through ocean waters, visible only from their influence on ocean currents.
科学家目前还无法得知这些海龟能否找到食物，适应新的洋流。
Scientists don't yet know if the turtles will be able to find food sources and navigate new ocean currents.
他和他的组员会将冰层钻穿以便测量其下表面和其下面的海水、洋流。
He and other team members will drill through the ice to measure the underside of the ice and the ocean and currents beneath it.
这些残骸在岛屿周围的礁石上腐烂，然后被风、波浪和洋流推向岛屿。
This is eroded from the reefs that typically circle the islands and pushed up onto the islands by winds, waves and currents.
从太平洋来的温暖的洋流使得从西吹过内陆的海风变得温暖。
Sea winds that blow inland from the west are warmed by a current of warm water that flows through the Pacific Ocean.
潮汐和洋流雕塑出了沙子，并让水草根植于这片多彩并有凹槽的形状中。
Tides and ocean currents sculpted the sand and seaweed beds into these multicoloured, fluted patterns.
每一串上都布满进食的息肉，息肉上细小的触须伸进洋流捕捉飘浮的食物。
Each strand is studded with feeding polyps that reach tiny tentacles into the currents to grab floating food.
他说，海湾洋流的状态变幻莫测，很难对油污的扩散趋势做出准确的预测。
He said Gulf currents are too unpredictable to make accurate forecasts of where the oil will travel.
与此相反，因为养分的限制，在偏远的洋流中浮游植物非常罕见。
By contrast, phytoplankton are scarce in remote ocean gyres due to nutrient limitations.
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