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Polar Bears

Known scientifically as Ursus Maritimus, the polar bear is native to the Arctic Circle, and is the world's largest carnivore species found on land. It is classified as a vulnerable species, with 5 of the`9 polar bear subpopulations in decline. They have a reputation as the only animal that actively hunts humans, but in fact, anything they encounter is potential prey.

1,835 Questions

Linear voltage of thermocouple 20mv to 50mv temperature between 750 to 1250 degree Fahrenheit how much voltage will be generated at 1000 degree Fahrenheit?

Well, honey, the voltage generated by the thermocouple is directly proportional to the temperature difference. So, if the temperature range is 500 degrees Fahrenheit (1250 - 750), and the voltage range is 30mV (50 - 20), you can calculate the voltage generated at 1000 degrees Fahrenheit using a simple proportion. Just plug in the numbers and you'll get your answer, darling.

Where do polar bears vote puzzle time 2.2?

Polar bears do not actually vote, as they are animals and do not participate in human political processes. The phrase "where do polar bears vote" is likely a riddle or puzzle intended to be answered in a playful or nonsensical manner. In the context of "puzzle time 2.2," it may be part of a series of brain teasers or wordplay exercises designed to challenge critical thinking skills.

Why do polar bears have a thick layer of fat?

Polar bears have a thick layer of fat, known as blubber, to provide insulation and help them maintain their body temperature in their cold Arctic environment. This layer of fat also serves as a valuable energy reserve during periods of scarce food availability. Additionally, the blubber helps polar bears to stay buoyant in water and aids in their ability to swim long distances in search of food.

Why does the polar bear have a thick layer of fat under the skin?

The polar bear has a thick layer of fat under the skin, known as blubber, to provide insulation and help retain body heat in the cold Arctic environment. This layer of fat also serves as a valuable energy reserve during periods of scarce food availability. Additionally, the blubber helps with buoyancy and provides protection against physical injuries.

What is the value of a hackett American collectors plate snow babies polar bear cubs fall 1981?

The value of a Hackett American Collectors Plate featuring Snow Babies Polar Bear Cubs from Fall 1981 can vary depending on its condition, rarity, and current market demand. Typically, these types of collector plates can range in value from $10 to $50. To determine the specific value of your plate, I recommend consulting with antique collectors or appraisers who specialize in collectible plates.

Is a polar bear auto or hetero?

Honey, a polar bear is neither auto nor hetero. They are straight up carnivores, living their best life in the Arctic, hunting seals and chilling on icebergs. So, if you're thinking of setting up a blind date for a polar bear, better make sure it's with a nice juicy seal.

How big is the polar bear's heart?

A polar bear's heart is relatively large compared to other bear species, weighing around 1% of its total body weight. On average, an adult polar bear's heart can weigh between 0.7-1.5 kilograms (1.5-3.3 pounds). This size is necessary to pump blood efficiently throughout the bear's body in the cold Arctic environment where they live.

What is liklihood of having major trouble with a 2202 Sebring Convertible after 78000 miles?

For the 2.7l v6, if you have taken care of it by changing oil on time and keeping up with the maintenance on it, it should last well into the 100,000 mile range.

Do people hunt speckled bears and why?

Yes, people do hunt speckled bears, also known as the "spotted" or "brindle" bears, primarily for sport, population control, and in some regions, for their meat and hides. Hunting regulations vary by location, with some areas allowing it under specific guidelines to manage bear populations and minimize human-wildlife conflicts. Additionally, hunting can be a cultural practice for some communities. However, conservation efforts and legal protections may limit or prohibit hunting in certain regions to ensure bear populations remain sustainable.

Can a polar bear live near New Zealand?

Polar bears need to live in climates which are consistently cold. Like the arctic circle.

Can polar bears survive in the south pole?

Polar bears are not found in the South Pole; they are typically found in the Arctic regions. The South Pole is uninhabitable for polar bears due to the lack of ice, their primary habitat for hunting and survival.

What does the Fourth Report of the IPCC say about Polar Bears?

The Fourth Report of the IPCC (The United Nations' Intergovernmental Panel on Climate Change), Climate Change 2007, reported as follows:

Polar Bears (Ursus maritimus), estimated numbers 20,000 to 25,000 worldwide, live on the annual sea-ice of the Arctic. They may wander thousands of kilometres every year. They live on ice-breeding seals, so the bears need sea-ice for survival.

Female bears need to feed when they emerge with their cub(s) each spring from a nursing den. They have had no food for 5 to 7 months.

If there is continuous sea ice, bears can hunt all through the year, but in areas where the sea ice melts each summer, bears have to spend several months on tundra, living on their stored fat reserves, till the sea freezes again.

Polar bears face great challenges, because projected reductions in sea ice will dramatically shrink their habitat.

The sea ice in Western Hudson Bay, Canada, now melts 3 weeks earlier than in the early 1970s. Bears now come ashore earlier with smaller fat reserves (15%), they fast for longer and they have fewer cubs. This population appears to have declined from 1200 bears in 1987 to fewer than 950 in 2004. It is reasonable to expect that other populations may be similarly impacted.

In 2005, the IUCN Polar Bear Specialist Group recommended that polar bears should be upgraded from Red List Least Concernto Vulnerable, because of the likelihood of an overall decline in the total population of more than 30% in 35 to 50 years' time.

If sea ice declines according to some projections, polar bears face a high risk of extinction with a global warming of 2.8ºC above pre-industrial temperature.

Source: Climate Change 2007: Working Group II: Impacts, Adaptation and Vulnerability: 4.4.6 Tundra and Arctic/Antarctic ecosystems (see the link below).

Do polar bears kill other polar bears?

They are naturally aggressive to other male bears when they encounter each other, although polar bears are free ranging and don't establish and mark territory. They will attack and kill the cubs of another male so that they can then mate with the female. They will fight with the female as she tries to protect the cubs, although not usually to the death. Other times, although rare, it may be because they are starving.


polar bears kill other polar bears to demand their territory and because of male stress

Where do polar bears live at the North Pole?

Polar bears live in the Arctic region, but not specifically at the North Pole. The largest populations of polar bears are in western Canada in the Northwest and Yukon Territories and in northern Alaska. Most polar bears live in North America.

How do adult polar bears parent offspring?

They are mammals and have sex in the normal fashion for mammals. The Pregnant Polar Bear may seek out shelter on an Ice Floe ( a sort of mini-berg) failing this they might retreat in Ice Caves. It has been said they will conceive and the embryo will grow while in hibernation, but this does not affect they way they perform the sexual act. Polar Bears are the most aquatic of the non-adaptive Marine Mammals ( excluding fully-waterborne Whales, seals, etc.)

What kind of plants grow where the polar bears live?

Plants that grow in polar bear habitats include mosses, lichens, grasses, sedges, willows, and dwarf shrubs like Arctic willow and Arctic cottongrass. These plants are adapted to the cold, harsh conditions of the Arctic and subarctic regions where polar bears live.

How would the polar bear survive in the warm?

Polar bears are adapted for cold temperatures and rely on sea ice to hunt for seals. In warm conditions, they may struggle to find food and can overheat due to their thick fur. With diminishing ice due to climate change, polar bears face challenges in their natural habitat.

How does the depletion of the ozone layer affect polar bears?

The depletion of the ozone layer increases UV radiation levels, which can lead to skin cancer, cataracts, and impaired immune systems in polar bears. UV radiation can also harm the plankton at the base of the food chain, which in turn affects polar bears' prey availability and ultimately their survival.

What are the dangers for polar bears?

  • Being hunted to death by man. A number of polar bears are allowed to be hunted in some of the countries where bears live.
  • Global warming. Sea ice is melting in the Arctic more and earlier each year, preventing polar bears from building up enough fat (from catching seals) to last through the lengthening summers.