There is an opinion saying that protecting wild animals is a waste of time and efforts since they are not necessary anymore in the 21st century. Personally, I disagree with this statement for reasons outlined below. It is nonsense to say wild animals have no part in the 21st century since they always play an important role in the environment. Whether in the Stone Age, medieval age or modern age, animals, and plants have been living together and forming a balance in life that no humans can make. Plants give off oxygen and foods, while animals help plants grow and multiply. If we don’t protect wild animals well, most of them will go extinct due to overhunting, which will break the balance of nature and lead to many adverse consequences of deforestation, hurricane, and other terrible disasters. It takes resources to protect wild animals, but their existence will bring other benefits to the nations that preserve/conserve them. Wildlife, zoos and preservation/conservation areas that allo...