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.
Polar bears are the largest bear species. They can grow to 8-11 feet tall and about 8 feet long, and weigh about 500-1,700 pounds.They are easily-recognized due to their white coat and dark eyes and nose.ut the main reason they live in these cold areas is their prey. Polar bears feed on ice-loving species, such as seals (ringed and bearded seals are favorites), and sometimes walruses and whales. They stalk their prey by waiting patiently near holes in the ice.