根据短文内容及首字母提示，填写所缺单词，使短文意思完整。
The Internet says people killed a lot of wild animals for m____ money. Some people like e_____the wild animals, but they don’t know wild animals can also b___ diseases（疾病）to people. We must do something to s___ the diseases from harming our h_____.
Also, many people don’t know w  we should help the wild animals. The n____of wild animals is smaller and smaller. In o  to k_______ the balance of nature, we should try our best to p____ wild animals and our environment.