EXERCISES 1. Answer the following questions to the text.
1. What does the forest do for the planet?
2.Does the forest consist only of trees?
3. Why are forests often called 'the lungs of the planet'?
4. What was commercial interest in forest? Did nature suffer because of the activity of man?
5. Were there ecological crises in ancient times? Give an example from the text.
6. When did ecology appear?
7. What happents if forests are destroyed?
8. Does our country preserve forests? What is done for their protection?
9. Will our children live on a clean planet if we care of nature?
What will happen in reality, in your opinion?
2. A forest isn't just a collection of trees and shrubs, a forest is an ecosystem - a complex community of closely related elements, which includes both living organisms and inanimate, abiotic components - air, soil and water.