How to use polar in a sentence

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Sentence Examples More than a century of conventional wisdom says that winter, when the ice is both hard and plentiful, is the best time to travel the polar pack. So on my solo polar expeditions I have porridge, ground almonds, raisins and butter. Together, the Pleistocene and Holocene make up the Quaternary period, marked by waxing and waning of polar glaciers. At the mid-latitudes, the winds are called the westerlies, and at the highest latitudes, the winds are called the polar easterlies. Everyone seemed so happy, without a care in the world, polar opposite to the sadness, regret and fear raging inside him. Already, smaller ice packs have reduced hunting grounds for polar bears, leaving some dangerously underweight. Come face to face with polar bears, walruses, harbour seals and beluga whales. The large polar tents and camping gear would remain at the Lake Victoria campsite and be lifted out by helicopter later that season. A polar vortex is a persistent, large-scale weather pattern, likened to a jet stream on Earth in the upper atmosphere. I've resorted to thermal underwear, several layers of jerseys, winter stockings and a polar fleece jacket. Sykes suspects that the hairs come from either an unrecognized bear species, or an unknown hybrid of polar bear and brown bear. There are also caribou, wolves, walruses, polar bears and beluga whales. In colder climates, melting arctic plates has forced polar bears to abandon their ice floes for dry land hunting. It is also unlikely that he could have gotten the idea by encountering an ice island on the polar pack, even if he had actually travelled a long distance on it. Thus, the polar bear's partly webbed feet may have come from a mutation which prevented the toes from dividing properly during its embryonic development. A terrible storm melts the polar ice caps, unleashing a group of prehistoric creatures called aurochs. She and I are good friends even though we're polar opposites. These minute creatures are eaten by larger fish, and those by still larger fish, which in turn become lunch for polar bears, seals, walruses, and whales. Since Francis seemed to be the polar opposite, they had every reason to hope the clampdown would be lifted. The seas were relatively warm, and polar ice was absent for much of the period. Show More Sentences There were likely polar ice caps and a series of glaciations, as the planet was still recovering from an earlier Snowball Earth. Northern Labrador's climate is classified as polar, while Southern Labrador's climate is classified as subarctic. A small amount of dense bottom water also forms in the northern polar ocean. The cold climate of the alpine tundra is caused by the low air temperatures, and is similar to polar climate. Tundra climates as a rule are hostile to woody vegetation even where the winters are comparatively mild by polar standards, as in Iceland. The same adaptation can be found in some modern people living in the polar regions. The climate varies between polar and moderate continental with frequent fogs and clouds. Throughout the year, the westerlies vary in strength with the polar cyclone. These western ocean currents transport warm, tropical water polewards toward the polar regions. Porpoises are not very widespread, with many specialising near the polar regions, usually near the coast. Freshwater mussels inhabit permanent lakes, rivers, canals and streams throughout the world except in the polar regions. Warmer oceans, particularly warmer polar regions, have in the past been shown to have had substantially lower diatom diversity. These droplets may take up over half of the volume of their bodies in polar species. The polar bear is also a predator, though it prefers to hunt for marine life from the ice. From the 1880s to the 1920s, Norwegians such as Roald Amundsen and Fridtjof Nansen carried out a series of important polar expeditions. Both the orca and the polar bear are also most likely to prey on walrus calves. For polar questions, exclamations and wishes, the finite verb always has the first position. Suppose that, initially, the barley-sugar aerials are twisted in such a sense that the polar diagram of each has its maximum north of the zenith. Maximum temperatures occur north of the equator, and minimum values are found in the polar regions. Fig. 5 shows a polar representation of 5880 rotations generated by subsampling the hexacosichoron. Show More Sentences This results when cold polar maritime air that has travelled over a large expanse of warmer ocean is forced to rise over high country. The largest predator on land is the polar bear, while the brown bear is the largest predator on the Norwegian mainland. Paleoclimatic studies and evidence of glaciers indicate that central Africa was most likely in the polar regions during the early Paleozoic. In geography, temperate or tepid latitudes of Earth lie between the tropics and the polar regions. The polar jet stream, which moves in a west to east direction across the middle latitudes, advancing low pressure systems, storms, and fronts. Areas with subpolar oceanic climates feature an oceanic climate but are usually located closer to polar regions. The south polar latitudes below the Antarctic Circle are in daylight, whilst the north polar latitudes above the Arctic Circle are in night. Spherical polar coordinate systems are used in the analysis of the gravity field. In the second half of the 19th century, Realism was offered as a polar opposite to Romanticism. The midi skirt, which you would imagine to be an almost polar opposite look to black trousers, has unexpectedly edged them out of my wardrobe. In addition, polar bears may be found on Svalbard, a Norwegian archipelago far north of Scandinavia. The UPS system is used for the polar regions, which are not covered by the UTM system. In a paper published in 1832, Bernhardi speculated about former polar ice caps reaching as far as the temperate zones of the globe. The winds over Antarctica are called the polar easterlies where winds blow from the east to the west. Thus far, this possible superchron has only been found in the Moyero river section north of the polar circle in Siberia. During the intervening periods, the poles appear to have conformed to a unified apparent polar wander path. This technique is also used by the polar bear, who hunts by seeking holes in the ice and waiting nearby. Yearlong they assisted with hunting by sniffing out seals' holes and pestering polar bears. These climates are in the polar front region in winter, and thus have moderate temperatures and changeable, rainy weather. These climates are dominated all year round by the polar front, leading to changeable, often overcast weather. Show More Sentences The white, pigmentless fur of arctic mammals, such as the polar bear, may reflect more solar radiation directly onto the skin. Both the strip of land along the shore of the Arctic Ocean and the Russian Arctic islands have a polar climate. The astronomical position calculated from an ephemeris is given in the spherical polar coordinate system of right ascension and declination. Northern Labrador is classified as a polar tundra climate, southern Labrador has a subarctic climate. Ringed seals are common elsewhere along James Bay and polar bears can be seen targeting the seals for prey. Proving successful at hunting, the group caught 26 Arctic foxes in primitive traps, as well as killing a number of polar bears. Although most polar bears are born on land, they spend most of their time on the sea ice. Because of their dependence on the sea ice, polar bears are classified as marine mammals. The polar bear was previously considered to be in its own genus, Thalarctos. Fossils show that between 10,000 and 20,000 years ago, the polar bear's molar teeth changed significantly from those of the brown bear. The mtDNA of extinct Irish brown bears is particularly close to polar bears. The polar bear is found in the Arctic Circle and adjacent land masses as far south as Newfoundland. The polar bear is a marine mammal because it spends many months of the year at sea. Seals migrate in response to these changes, and polar bears must follow their prey. The only other bear of a similar size to the polar bear is the Kodiak bear, which is a subspecies of brown bear. The polar bear is among the most sexually dimorphic of mammals, surpassed only by the pinnipeds such as elephant seals. Compared with its closest relative, the brown bear, the polar bear has a more elongated body build and a longer skull and nose. The polar bear's claws are short and stocky compared to those of the brown bear, perhaps to serve the former's need to grip heavy prey and ice. Many attacks by brown bears are the result of surprising the animal, which is not the case with the polar bear. Whereas brown bears often maul a person and then leave, polar bear attacks are more likely to be predatory and are almost always fatal. Show More Sentences Michio Hoshino, a Japanese wildlife photographer, was once pursued briefly by a hungry male polar bear in northern Alaska. A widespread legend tells that polar bears cover their black noses with their paws when hunting. A polar bear may charge a group of walruses, with the goal of separating a young, infirm, or injured walrus from the pod. Being both curious animals and scavengers, polar bears investigate and consume garbage where they come into contact with humans. Like the brown bear, most ungulate prey of polar bears is likely to be young, sickly or injured specimens rather than healthy adults. In their southern range, especially near Hudson Bay and James Bay, Canadian polar bears endure all summer without sea ice to hunt from. This study illustrates the polar bear's dietary flexibility but it does not represent its life history elsewhere. Courtship and mating take place on the sea ice in April and May, when polar bears congregate in the best seal hunting areas. The earliest recorded birth of polar bears in captivity was on 11 October 2011 in the Toronto Zoo. The Western Hudson Bay subpopulation is unusual in that its female polar bears sometimes wean their cubs at only one and a half years. In the wild, old polar bears eventually become too weak to catch food, and gradually starve to death. The polar bear is the apex predator within its range, and is a keystone species for the Arctic. The polar bear may swim underwater for up to three minutes to approach seals on shore or on ice floes. However, since polar bear fur has always played a marginal commercial role, data on the historical harvest is fragmentary. Norway is the only country of the five in which all harvest of polar bears is banned. If a sport hunter does not kill a polar bear before his or her permit expires, the permit cannot be transferred to another hunter. In August 2011, Environment Canada published a national polar bear conservation strategy. Despite this, the polar bear population continued to decline and by 1973, only around 1000 bears were left in Savalbard. In 2010, the Ministry of Natural Resources and Environment published a strategy for polar bear conservation in Russia. The Marine Mammal Protection Act of 1972 afforded polar bears some protection in the United States. Show More Sentences According to the World Wildlife Fund, the polar bear is important as an indicator of Arctic ecosystem health. Thinner sea ice tends to deform more easily, which appears to make it more difficult for polar bears to access seals. Their concentrations in polar bear tissues continued to rise for decades after being banned as these chemicals spread through the food chain. Oil and gas development in polar bear habitat can affect the bears in a variety of ways. It has been claimed that polar bears will be able to adapt to terrestrial food sources as the sea ice they use to hunt seals disappears. For the indigenous peoples of the Arctic, polar bears have long played an important cultural and material role. These legends reveal a deep respect for the polar bear, which is portrayed as both spiritually powerful and closely akin to humans. The skulls of killed polar bears were buried at sacred sites, and altars, called sedyangi, were constructed out of the skulls. Vehicle license plates in the Northwest Territories and Nunavut in Canada are in the shape of a polar bear. The animated television series Noah's Island features a polar bear named Noah as the protagonist. The television series Lost features polar bears living on the tropical island setting. The polar night lasts from 8 November until 3 February, and the period of midnight sun from 2 May until 11 August. Despite its name, Bear Island is not a permanent residence of polar bears, although many arrive with the expanding pack ice in the winter. The flora benefits from the long period of midnight sun, which compensates for the polar night. Svalbard is a breeding ground for many seabirds, and also supports polar bears, reindeer and marine mammals. Spitsbergen shares a common polar bear population with the rest of Svalbard and Franz Joseph Land. They scavenge on carcasses left by larger predators such as wolves and polar bears, and in times of scarcity even eat their feces. The polar forests are low and are mixed with swamps, lichens, bogs and shrubs. This type of ship was in wide use during the heyday of Russian polar navigation in the 15th and 16th centuries. Other marine mammals include walrus, Steller sea lion, northern fur seal, orca and polar bear. Show More Sentences In the 18th century, the Anadyr was described by the polar explorer Dmitry Laptev. Elevations around the world that have cold climates similar to those of the polar regions have been called Alpine. Like the alpine tree lines shown above, polar tree lines are heavily influenced by local variables such as aspect of slope and degree of shelter. From the 1880s to the 1920s, Norwegians carried out a series of polar expeditions. Colder air masses are termed polar or arctic, while warmer air masses are deemed tropical. Continental polar air masses that affect North America form over interior Canada. After all, to go into outer space is not so much worse, if at all, than a polar expedition. After the burly macho nudists' polar bear dip, their tails were spectacularly shrunk, so they looked like an immature kid's innocent tail. Retreating before stronger breeds, hungry and voracious, the Eskimo has drifted to the inhospitable polar regions. It therefore appears that the alienation results from an absolutisation of the polar duality into ontological dualism. This is not an albino or a polar bear, but a rare, North American black bear. This homogeneity is due to the fact that the biodiesel can act as an amphiphile and form micelles that have nonpolar tails and polar heads. Met Eireann said Ireland's terrible summer is a result of the polar jet stream travelling further south this year. Further poly chains on grafted fiber is more solvolysed by nonpolar solvent then polar aprotic solvent as compared to water or alcohol. These polyamides were found to be highly soluble in polar aprotic solvents. This is the dominant guild in polar and subpolar environments, as it is energetically inefficient in warmer waters. It is found in all the world's major oceans and in waters ranging from the polar to the tropical. Sei whales live in all oceans, although rarely in polar or tropical waters. Due to the fact they are not fully adapted to Arctic conditions, they are more vulnerable to predators, most notably polar bears. Living pinnipeds mainly inhabit polar and subpolar regions, particularly the North Atlantic, the North Pacific and the Southern Ocean. Show More Sentences The polar bear is well adapted for hunting Arctic seals and walruses, particularly pups. Antarctic seals are more vocal on land or ice than Arctic seals due to a lack of terrestrial and pagophliic predators like the polar bear. Species that live in polar habitats are vulnerable to the effects of recent and ongoing climate change, particularly declines in sea ice. Migratory species' reproductive sites often lie in the tropics and their feeding grounds in polar regions. They include animals such as seals, whales, manatees, sea otters and polar bears. In contrast, both otters and the polar bear are much less adapted to aquatic living. The evolutionary pressure of polar bear predation on seals probably accounts for some significant differences between Arctic and Antarctic seals. The Arctic food chain would be disrupted by the near extinction or migration of polar bears. The flora take advantage of the long period of midnight sun to compensate for the polar night. Svalbard is a breeding ground for many seabirds, and also features polar bears, reindeer, the Arctic fox, and certain marine mammals. Since Svalbard is located north of the Arctic Circle it experiences midnight sun in summer and polar night in winter. In Longyearbyen, midnight sun lasts from 20 April until 23 August, and polar night lasts from 26 October to 15 February. There are fifteen to twenty types of marine mammals, including whales, dolphins, seals, walruses, and polar bears. Svalbard and Franz Joseph Land share a common population of 3,000 polar bears, with Kong Karls Land being the most important breeding ground. Ocean currents greatly affect Earth's climate by transferring heat from the tropics to the polar regions. It plays an important role in supplying heat to the polar regions, and thus in sea ice regulation. If precipitation exceeds evaporation, as is the case in polar and temperate regions, salinity will be lower. Thus, oceanic waters in polar regions have lower salinity content than oceanic waters in temperate and tropical regions. It covers millions of square miles in the polar regions, varying with the seasons. In July 2016 scientists published evidence of increased cloud cover over polar regions, as predicted by climate models. Show More Sentences Equatorial waters flowed into the polar regions, warming them with water from the more temperate latitudes. This effect is strongest in tropical zones, with an amplitude of a few millibars, and almost zero in polar areas. First, shrinking land ice, such as mountain glaciers and polar ice sheets, is releasing water into the oceans. Britain was no more than a peninsula of Europe, its north capped in ice, and its south a polar desert. Bearded seals, along with ringed seals, are a major food source for polar bears. Natural predators of the bearded seal include polar bears, who rely on these seals as a major food source. Ringed seals are one of the primary prey of polar bears and have long been a component of the diet of indigenous people of the Arctic. However, even an injured walrus is a formidable opponent for a polar bear, and direct attacks are rare. Some whales, such as the humpback, reside in the polar regions where they feed on a reliable source of schooling fish and krill. Presented in a polar coordinate grid, the wind rose shows the frequency of winds blowing from particular directions. Pytheas is the first known scientific visitor and reporter of the Arctic, polar ice, and the Germanic tribes. As well as the exact number of overall brown bear subspecies, its precise relationship to the polar bear also remains in debate. Under some definitions, the brown bear can be construed as the paraspecies for the polar bear. The teeth are reliably larger than American black bears but average smaller in molar length than polar bears. There has been a recent increase in interactions between brown bears and polar bears, theorized to be caused by climate change. Brown bears have been seen moving increasingly northward into territories formerly claimed by polar bears. The sea breaks upon this coast against a palisadoed fence of rocks and cliffs, around which swarm flocks of polar birds with cries and screams. They have a worldwide distribution except for Australia and the polar regions. The majority of Earth's polar regions are covered in ice, including the Antarctic ice sheet and the sea ice of the Arctic ice pack. This polar motion has multiple, cyclical components, which collectively are termed quasiperiodic motion. Show More Sentences Water is a good polar solvent, that dissolves many salts and hydrophilic organic molecules such as sugars and simple alcohols such as ethanol. For much of European history, the north polar regions remained largely unexplored and their geography conjectural. As a result of continued warming, the polar ice caps melted and much of Gondwana became a desert. At the edge of the continent, strong katabatic winds off the polar plateau often blow at storm force. As exploration ignited both popular and scientific interest in the polar regions and Africa, so too did the mysteries of the unexplored oceans. The polar ice cap of the Carboniferous Period covered the southern end of Pangaea. Paleomagnetic study of apparent polar wandering paths also support the theory of a supercontinent. Mosses, lichens, and scanty bushes around the coasts serve as food to the deer and musk oxen, which in turn are hunted by the polar bear. The zooplankton feeders include young cod, capelin, polar cod, whales, and little auk. There is a genetically distinct polar bear population associated with the Barents Sea. The descent took place in two MIR submersibles and was led by Soviet and Russian polar explorer Artur Chilingarov. When the sun is visible in the polar sky, it appears to move in a horizontal circle above the horizon. The magnetic banding directly corresponds with the Earth's polar reversals. The banding furnishes a map in time and space of both spreading rate and polar reversals. Satellite study of sea ice began in 1979, and became a much more reliable measure of ice melt and polar climate change. The summer minimum Arctic ice extent for 2010 was the third lowest over the period of satellite observations of the polar ice. A decline of seasonal sea ice puts the survival of Arctic species such as ringed seals and polar bears at risk. As a result, the polar regions are the most susceptible places to climate change on the planet. Their findings suggested that precipitation increases in the high northern latitudes, and polar ice melts as a consequence. Between 1937 and 1991, 88 international polar crews established and occupied scientific settlements on the drift ice and were carried thousands of kilometers by the ice flow. Show More Sentences The melting of Greenland's ice sheet is linked to polar amplification. Precise astronomical angular measurements require knowledge of the Earth's rotation rate and polar motion, both of which are influenced by Earth tides. It is found in all the major oceans, from polar to tropical waters. The south polar cap is especially comparable to glaciers on Earth. It avoids polar and tropical waters and semienclosed bodies of water. Most polar bears elsewhere will never have access to these alternatives, except for the marine mammal carcasses that are important wherever they occur. Humpbacks feed in polar waters, and migrate to tropical or subtropical waters to breed and give birth when they fast and live off their fat reserves. In phase I, enzymes catalyze new reactive or polar groups on compounds that range from substances created by the body's cells to dietary factors to xenobiotics. Furthermore, the sea ice itself functions to help keep polar climates cool, since the ice exists in expansive enough amounts to maintain a cold environment. The polar bears that do not den on land make their dens on the sea ice. Note that cold water in polar zones sink relatively rapidly over a small area, while warm water in temperate and tropical zones rise more gradually across a much larger area. Stunning page portraits of mammals include the American bison, red deer, the warthog, a hippo, a wolf, a sloth, a whale, kangaroos, a polar bear, and more. This dwimmery causes the model to show that polar melting rates have absolutely no connection to world climate in general, and to rising ocean levels in particular. Only one case of a polar bear with rabies has been documented, even though polar bears frequently interact with Arctic foxes, which often carry rabies. The Antarctic ice sheet is one of the two polar ice caps of the Earth. The polar bear also hunts by stalking seals resting on the ice. Members of the 29-man Discovery team laid down food caches to allow the polar team to travel light, hopping from food cache to food cache on their return journey. This can be an important source of income for small communities, as guided hunts bring in more income than selling the polar bear hide on markets. The polar ice caps of Mars show geologic evidence of glacial deposits. One of the most notable species present is the polar bear, whose population in the Barents Sea region is genetically distinct from other polar bear subpopulations. Show More Sentences The ice of a polar glacier is always below the freezing point from the surface to its base, although the surface snowpack may experience seasonal melting. In Russia, polar bear furs were already being commercially traded in the 14th century, though it was of low value compared to Arctic fox or even reindeer fur. There are two main seasons, winter and summer, in the polar tundra areas. Nevertheless, the water molecule is present, as ice, in a solid form in frozen soils or permafrosts, which cover large regions characterised by a polar climate. It has 10 faces on the polar axis with 10 faces following the equator. The Arctic also has a wide range of intense weather patterns, such as cyclones and anticyclones, Arctic oscillation, polar lows, and semi-permanent highs and lows. Because of the way polar bear hunting quotas are managed in Canada, attempts to discourage sport hunting would actually increase the number of bears killed in the short term. It also contains smaller northern and southern polar projections. The aurora are created when solar wind particles are guided by the magnetic flux lines into the Earth's polar regions where the lines the descend into the atmosphere. Whereas northern communities kill all the polar bears they are permitted to take each year, only half of sport hunters with permits actually manage to kill a polar bear. The Earth was generally cold during the early Cambrian, probably due to the ancient continent of Gondwana covering the South Pole and cutting off polar ocean currents. His ship became locked in the polar ice pack and drifted westward, passing within sight of Wrangel before being crushed and sunk in the vicinity of the New Siberian Islands. After a 227-day drought ending with December temperatures above 90, a polar air mass collided with a wave of damp tropical air, condensed it in seven days of cloudburst. The sea levels fluctuated somewhat, suggesting there were 'ice ages', associated with pulses of expansion and contraction of a south polar ice cap. Ringed seal are an important food item in particular for polar bears. Historically, the polar bear has also been known as the white bear. Habitat types include polar, temperate, subtropical and tropical. There were extensive polar ice caps at intervals from 360 to 260 million years ago in South Africa during the Carboniferous and early Permian Periods. Both Rossby waves and shortwaves embedded within the flow around Rossby waves migrate equatorward of the polar cyclones located in both the Northern and Southern hemispheres. The late spring hunting season ends for polar bears when the ice begins to melt and break up, and they fast or eat little during the summer until the sea freezes again. Show More Sentences A new development is that polar bears have begun ranging to new territory. Walruses have been known to fatally injure polar bears in battles if the latter follows the other into the water where the bear is at a disadvantage. There are 19 generally recognized, discrete subpopulations, though polar bears are thought to exist only in low densities in the area of the Arctic Basin. Species that live in polar habitats are vulnerable to the effects of recent and ongoing climate change, particularly the time when pack ice forms and melts. In general, the hydroxyl group makes the alcohol molecule polar. Polar bears are therefore found primarily along the perimeter of the polar ice pack, rather than in the Polar Basin close to the North Pole where the density of seals is low. Dahl was named after the Norwegian polar explorer Roald Amundsen. An oil spill in the Arctic would most likely concentrate in the areas where polar bears and their prey are also concentrated, such as sea ice leads. Because polar bears rely partly on their fur for insulation and soiling of the fur by oil reduces its insulative value, oil spills put bears at risk of dying from hypothermia. The few native land mammals in Greenland include the polar bear, arctic fox, reindeer, arctic hare, musk ox, collared lemming, ermine, and arctic wolf. Dealing with extreme cold, they used the merchant fabrics to make additional blankets and clothing and caught Arctic foxes in primitive traps, as well as polar bears. Despite averaging somewhat smaller sizes, brown bears tend to dominate polar bears in disputes over carcasses, and dead polar bear cubs have been found in brown bear dens. Some types of bears, such as polar bears, are more likely to attack humans when searching for food, while American black bears are much less likely to attack. Despite their boldness and potential for predation if the bear is hungry, polar bears rarely attack humans because they are infrequently encountered in the Arctic sea. Meanwhile, debates developed around the phenomena of polar wander. Combining poles of different ages in a particular plate to produce apparent polar wander paths provides a method for comparing the motions of different plates through time. Diversity consistently measures higher in the tropics and in other localized regions such as the Cape Floristic Region and lower in polar regions generally. Unlike the brown bear, polar bears in captivity are rarely overweight or particularly large, possibly as a reaction to the warm conditions of most zoos. The 42 teeth of a polar bear reflect its highly carnivorous diet. Two genes that are known to influence melanin production, LYST and AIM1, are both mutated in polar bears, possibly leading to the absence on this pigment in their fur. Show More Sentences Above the Arctic Circle, an extreme case is reached where there is no daylight at all for part of the year, up to six months at the North Pole itself, a polar night. The polar bear is an excellent swimmer and often will swim for days. However, due to their lack of prior human interaction, hungry polar bears are extremely unpredictable, fearless towards people and are known to kill and sometimes eat humans. In inorganic reactions, water is a common solvent, dissolving many ionic compounds, as well as other polar compounds such as ammonia and compounds closely related to water. Located mostly in the Arctic north polar region in the middle of the Northern Hemisphere, the Arctic Ocean is almost completely surrounded by Eurasia and North America. The party was attacked by a polar bear, and two sailors were killed. Indeed, it has been suggested that Arctic peoples' skills in seal hunting and igloo construction has been in part acquired from the polar bears themselves. Major components of the polar lipids are the acylated trehaloses which differ considerably in their acylation patterns to trehalose and in fatty acid content. At Williams Island the crew encountered a polar bear for the first time. The polar bear kills the seal by biting its head to crush its skull. This supercontinent included large amounts of land near the poles and, near the equator, only a relatively small strip connecting the polar masses. Their distinctive appearance and their association with the Arctic have made polar bears popular icons, especially in those areas where they are native. After feeding, polar bears wash themselves with water or snow. Magnetic differences between sample groups whose age varies by millions of years is due to a combination of true polar wander and the drifting of continents. One of these is the Phoenix lander, which analyzed Martian polar soil for water, chemical, and mineralogical constituents related to biological processes. Most terrestrial animals in the Arctic can outrun the polar bear on land as polar bears overheat quickly, and most marine animals the bear encounters can outswim it. When the power constraint is taken into consideration, we show that polar lattices with lattice Gaussian shaping achieve the egodic capacity of fading channels. Although seal predation is the primary and an indispensable way of life for most polar bears, when alternatives are present they are quite flexible. In the mid-1970s, the first available satellite images of Antarctica during the polar winter revealed a huge ice-free region within the ice pack of the Weddell Sea. The polar bear's metabolism is specialized to require large amounts of fat from marine mammals, and it cannot derive sufficient caloric intake from terrestrial food. Show More Sentences It was named after a polar bear that was seen swimming nearby. Examples from Classical Literature Instead of it is frequently used the complementary angle ZOP, known as the polar distance of the body. This disintegration may be due to a process of autolysis, which sets in only after the egg has extruded the two polar bodies. The white polar bear does not wander south of the sixty-fifth parallel, and is only found near Bering Strait. The angle through the celestial pole, between these two positions, is double the polar distance. Figure 137 is an exceptional anaphase in which the heterochromosome elements are not mingled with the polar masses of chromatin. After the extrusion of the polar bodies there are 24 chromosomes in the egg. The plight of the polar bear has been held tip by environmentalists as a symbol of global warming caused by humans. Time magazine has compared Bush and the polar bear to Nixon's Cambodia and JFK's Bay of Pigs. Ships will cross the polar seas, thawed beneath the aurora borealis. Each animal receives the special type of coat it needs with a little extra imaginative touch, like the little red heart behind the polar bear's ear. Find more words! 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What is the opposite of polar? Words that rhyme with polar What is the adverb for polar? What is the adjective for polar? What is the noun for polar? Translations for polar Use our Sentence Generator Nearby Words polanski Poland polacre Polack POL pol Polar polar bear polar bond polar easterlies polari Polari 5-letter Words Starting With p po pol pola