根据短文内容及所给首字母提示写出所缺单词
People and animals live in the s   world. We should keep the balance (平衡) b       people and animals. If the balance is destroyed (破坏),  there w   be bad result to both people and animals. Wild animals are friendly, they are f   of people. We have to p   them, or there will be no wild animals in the future. There is a black and white animal l  in China. It is always known as the national treasure of China. Everyone knows it is called Giant panda. Now there are f   pandas than before. Most of them live in Sichuan and Gansu Provinces. There are also some other rare animals in China. H  , the n   is becoming smaller and smaller than before. So people should do their best to help these animals. They are in d   of disappearing from the world.