1. Study Notes for Chapter 4: Environmental Problems and Solutions
(Green Environmental Science Book)

2. Chapter 4 Section 1: Environemntal Problems

3. 1. An example of habitat destruction is _______ _ _______._________.
clearing a tropical rainforest

4. 2. An organism that makes a home for itself in a new place, is called a(n) _____ _______.
exotic species

5. 3. Five major kinds of pollution include garbage, chemicals, high-powered wastes, and ______________.
gases and noise

6. 4. Wastes that can catch fire, wear through metal, explode, or make people sick are _______________.
hazardous waste

7. 5. Pollution can affect humans by causing ____________________.
Illness, sickness, cancer

8. 6. A habitat is home to many organisms, and destroying a habitat affects ___________.
biodiversity

9. 7. Human population growth has been made possible because of advances in farming and _________.
medicine

10. 8. The number and variety of organisms in a given area at a certain time is called ___________.
biodiversity

11. 9. Using garbage and waste to make electricity is an example of ________________.
resource recovery

12. CFC’s (clorofluorocarbons)
10. _______________________ are chemicals that destroy protective ozone.

13. 11. The northern snakehead fish was introduced into North America from Asia. It is an example of a(n) ____________.
exotic species

14. 12. A natural resource that can be replaced at the same rate at that it is consumed is _________.
renewable

15. 13. Too many organisms in an area for the resources available creates ______________.
overpopulation

16. 14. Pollution that comes from only one source is called ____________________.
point-source pollution

17. 15. A natural resource that forms at a rate slower than it is consumed is called a _____________________.
nonrenewable resource

18. Chapter 4 Section 2: Environmental Solutions

19. 1. One way to kill harmful insects while protecting beneficial insects is to use ________________.
natural pesticides

20. 2. Developing alternative energy sources will reduce our need for __________.
fossil fuels

21. 3. The Endangered Species Act protects individual species by __________________________________.
forbidding harm to endangered species

22. 4. To help protect biodiversity, we must protect ________.
habitats

23. 5. Pollution can be reduced if people recycle and buy ________ ________.
recycled products

24. 6. Using fewer natural resources and reducing wastes can help end habitat ___________ and reduce _________.
destruction
pollution

25. 7. Something that can be broken down by living organisms is _____________.
biodegradable

26. 8. ____________ is the preservation and wise use of natural resources.
Conservation

27. 9. Because conservation means using fewer natural resources and reducing wastes, it helps prevent _______ ___________ and reduce _________.
habitat
destruction
pollution

28. 10. Three ways to conserve resources include reducing, recycling, and _______.
reusing

29. 11. The preservation and wise use of natural resources is called ____________.
conservation

30. 12. The process of recovering valuable or useful materials from waste or scrap is called _________.
recycling

31. 13. People can reduce waste by using products that are _____________.
biodegradable

32. 14. Conserving wetlands and reducing deforestation will help protect ________.
habitats

33. 15. We can reduce our need for fossil fuels by developing ___________ energy sources.
alternative

34. The End!!!