Polar bear Essay Example | Topics and Well Written Essays - 500 words

Polar bear - Essay Example The polar bear have adaptive mechanisms that enable them to survive in circumpolar Arctic region. The environments in these regions are extremely cold and have both ice and water. These areas are also referred to us ice pack habitats. The species have thick fur which enables their survivability in such region. In addition, the polar bears are excellent in swimming. The female polar bears become sexually mature at the age of five years while the males obtain sexual maturity at around six years. During the mating seasons, normally between March and June, males and females congregate at the habitat suitable for seal hunting. There is usually stiff competition for the breading female. It is followed by multiple males that have to fight among themselves. The strongest on e chases others away and succeeds in mating the female. The polar bears feed on seals, especially the seal fat. They hunt ringed and bearded seals. The ringed seals are not as difficult to get as the bearded seals. They are easily accessible and can easily be hunted by young and female bears. In case of a good hunt the species extract blubber from the seals to leave the carcass for scavengers such as ravens and arctic foxes (WWF 10). There are series of unregulated shipping in the polar region. Such activities often result in oil spills that that the polar bears. The oil spills also deplete seals which are the foods of the polar bears. The climatic changes which trigger the increase in temperature, the precipitation and salinity are estimated to have drastic impacts on the physiological processes of the species. Both reproduction and survivability of polar bear will be significantly affected. In this instance, the rate of population of the polar bears will go down because the pregnancy rates will fall. Similarly, only few polar bears will be able to survive the season that high temperatures have melted the ice. The change in the

What is Liberal Essay Example | Topics and Well Written Essays - 1000 words

What is Liberal - Essay Example The distinction between conservative and liberal economics is, at the most basic level, the distinction between a belief in the advantageousness of government involvement and a belief in the advantageousness of free market capitalism. Friedman, of course, was one of the most vociferous advocates for a free market, as he showed in Capitalism and Freedom. However, the essence of Friedman’s Capitalism and Freedom was advocacy of capitalism in a liberal society, where a liberal society refers to a society that does not restrict individual liberties. In contrast, the conservative society is one that does limit individual liberties based on tradition and social values. With that, Friedman cannot be accurately called â€Å"conservative†, since his profoundly libertarian political viewpoints contradict the essence of the conservative establishment. When Friedman called himself a â€Å"liberal† in the John Stuart Mill sense of the term, what he was referring to was a tradition known today as â€Å"classical liberalism†. The use of the word â€Å"classical† before the term refers to a commitment to individual freedoms both in the economic and social sense. Classical liberals believed in laissez faire capitalism and the liberal ideology. John Stewart Mill, as an ethicist and political philosopher, was liberal in his ethics and conservative in his economic views, which today meant he was a â€Å"classical liberal† and a libertarian. Mill believed the government should not be allowed to restrict the freedoms of its citizens under any circumstance, and this is the sense in which Friedman refers to Mill and places himself in his tradition. In Capitalism and Freedom, Friedman writes, â€Å"Political freedom means the absence of coercion of a man by his fellow men. The fundamental threat to freedom is power to coerce, be it in the hands of a monarch, a dictator, an oligarchy, or a momentary