As human populations grow, animal 【小题1】 often begin to 【小题2】. The good news is that in many places around the world, areas are now 【小题3】 set aside just for animal use. These wildlife 【小题4】 allow animals to live in their natural or wild, habitats. Animals are also 【小题5】 in many zoos around the world.

Every living thing in nature 【小题6】 to survive. Most plants are 【小题7】 by animals and people, as well as by other plants, and may have to live in difficult 【小题8】. Plants survive by 【小题9】 to life in different environments, and by 【小题10】 successfully with other living things.