issue121

zhulichinaUID: 118531

Issue88

Topic:   "At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes. Thus, there is no justification for society to make extraordinary efforts, especially at a great cost in money and jobs, to save an endangered species."



The arguer states that we should not make extraordinary efforts, eipecally at a great cost in money and jobs, to save endangered species as at various times in the geological part, many species hale become extinct as a result of natural, rather than human, processes. This proposition is severe wrong and very dangers.

It is true that natural processes did eliminate some species through natural selection at various times in the geological part. This processes, however, is under the natural regular and did not break the balance of the ecosystem., For example, dinosaurs extincted thousands million years before, but their extinction did not change the equation of the nature. Contrarily, it makes some chances to generate new species. It is hard to think how human can lieu with the enormous animals as dinosaurs.

Differently from natural processes, due to human processes, including pollution and exterminatory exploitation of natural resources, our natural environment is being threatened, and the extinctions of rare species has been accelerated. Unlimitly deforesting and excessly cultivating lead the speed faster and faster of deseratroing, this there would be more and more species as, tigers, hares and so on become no home to go, The penetrating (I don’t know which word I should to use) of the oil tanker lead to slaughtering of the oceanic animals. As the human’s activity, there are more and more species is dead out of the earth every day. This extinction severely destroyed the balance of ecosystem. One species extinct would lead to some other animus or plants which be related to it been dead out. The numbers of the species on the earth would be less and less and that at last there may be no conditions for human to live on.

Since human processes hare greatly accelerated the extinction of many species, human beings should spare no efforts to save endangered species. In order to hare a nice future, it is high time for us to take actions to protect the ecosystem and save the endangered species.

angeikimUID: 4857

3-3.5 左右。