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It is a undoubted fact that human activities affact tightly on all speices on the earth, especially with surprising increase in the population. Meanwhile, it has been caused the heated discussion whether or not people could bring benefits to any spiece. As a matter of fact, there are a lot of factors relating this, I will analysize them and give my opinion. Obviously, man has produced massive harmful influences on the plants and animals around the world. More specifically, a great number of animal and plants has gone extingted because of deforestation and over argiriculture made by mankind. Due to this deteriation of phenomenon, some people propose that we can not have any method to save them. and this trend will be continued and could not be changed. However, we could have time and chance to rectify this disvantageous phenomenon in spite of appearace of some dezator. We could set up more reservation to protect them by making regulation and rules. Moreover, advanced biological technology could help keep and extand some dangerous spieces in the laboratory. Also, the international society should invest more capital on the animal and plant protection so that the poor may give up killing and eating dangerous species. To sum up, Although some cherished plants and animals have disappeard, we could still take some useful measures to save those livings on the earth. As analysi mentioned above, mankind still has various ways to prevent their extinction and improve this situantion by concerted effort of all countries.
