兩篇選一篇吧(后一篇較長)
With human beings on Earth since then, we continue to evolve at the same time has been hurt those lovely animals. They did not at fault, they are only in accordance with the laws of nature live in peace. But since the existence of mankind , their homes become increasingly small. Some animals have even become extinct.
In the extinction of animal, the thylacine is the worst. Thylacine in a long time ago to live in the vast prairie, they have been very happy, carefree. Since the arrival of human beings have changed their lives. Due to the large number of human enclosure, livestock grass makes less and less change to many herbivores to move to other grasslands. This herbivorous animals to eat the wolf bag, there is no food. They steal human animals. Farmers would hate the wolf from the bag, see a killing one, on this last one wild thylacine was also killed. When people should be aware of extinct thylacine, the protection of the park began last a thylacine, it thylacine only 48 days before the final days. And 48 days later, the Forever thylacine disappeared from the Earth, the Forever!
Of course, not all animals are extinct human killing, some changes in the environment are not suited extinction. However, the extinction of some animals, human beings have an unshirkable responsibility. Since ancient times human beings have been cruel to those animals alone, human deprivation of their right to live.
Now seems to have been aware of the extinction of an animal hazards. In order to make money, what people are willing to do so, they sell fur animals, shopping malls, the meat of animals sold to restaurants. But we can not shirk all responsibility to the heads of traders, consumers also have the responsibility, if there is no consumer demand then the traders will not take the risk. Human beings are still eating wild animals. For example: the snake. If the extinction of the snakes, rats would wantonly breeding, then how do we ... ...
So each has its biological significance of the existence, they are in the natural law of survival. If a broken food chain, then another will wantonly breeding animals, and even a threat to humanity, we bear in mind the protection of animals. The protection of animals is to protect human beings themselves!