A. fill in: transport, sheller, waste, extinction, habitat, housing. 1 all cities need a good public … system. the government has promised to build more … … families. species … … is happening at a faster rate than ever before. it is better for wild animals to live in their natural … 5 in cold weather, homeless people need a … … 6 industrial … … to stay in. of a lot of pollution in the world. for young … is the cause​