(Exercise 1. GENERAL WORDS. Complete each sentence with the words from the box landscape pollution natural disasters habitat ecosystem wildlife weather inhabitant survival nature of this century. 1. We must learn to live in harmony with 2. We want to have a picnic on Saturday, but it depends on the 3. An animal that lives in a forest is an example of a forest 4. The earthquake was one of the worst 5. Humans need both food and water for 6. He took a picture of the beautiful 7. An example of is the desert to a camel. 8. Toxic waste dumped into the water is an example of 9. is a general term for all animals living and plants growing in their natural environment. 10. An is an area where plants, animals, and other organisms work together to form a bubble of life.