Additionally, keeping the balance of the geological system is important for human beings to live in the natural. We know that there are innumerable chains of biology in the geological, and human beings are one species in one of the chains. Every minute,we are absorbing energy from natural. Our foods come from different other species.Now the species are disappearing so fast that it is very impossible that the next species which extinct is the most important food source of human beings. Moreover, our body is benefit from innumerable ecological beings. Sometimes, certain boring insects are likely to have no benefit for us, and we must believe that we will live better if the mosquito all over the word disappeared. However,there will be a great number of antibodies that are poured into the human beings body as a result from the mosquito biting us which increase our immunity from diseases.Then, spend a cost in money and a job to save endangered species is our responsibility.
In summary, besides human beings, every species in the natural are all equally. We are advance just on the intellect and emotion. We have no right to destroy other species. If we do that, we will be punished by the natural. So we should make our best efforts, no matter how great cost in money and jobs we have to pay, to save endangered species because the development of human beings accelerates the extinction of species.
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