If you are a man displaying symptoms of an enlarged prostate, you should contact your doctor and consider getting tested. Symptoms primarily involve difficulty urinating: pain, a slow flow, trouble starting and stopping, or a bloody discharge.
Importance of polar bears. Polar bears are at the top of the food chain and have an important role in the overall health of the marine environment. Over thousands of years, polar bears have also been an important part of the cultures and economies of Arctic peoples.Polar bears depend on sea ice for their existence and are directly impacted by climate changeâserving as an important indicator species.ffects of Climate Change. Polar bears depend on sea ice as a platform from which to hunt seals, rest and breed. For more than 20 years the summer sea ice has been decreasing in size and melting for longer periods of time.
A polar bear is a bear native largely within the Arctic circle encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is the world's largest land carnivore and also the largest bear.hey also obtain much of their diet from seals and other marine creatures. A polar bear is a mammal because it feeds by its mother milk, they have white fur, they have a mammary glands, even they have sweat glands, they are warm-blooded. Polar bears are backbone known as vertebrates, or chordates.