Study Notes for Chapter 4:Environmental Problems and

Solutions

(Green Environmental Science Book)

Chapter 4 Section 1:Environemntal Problems

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

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

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

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

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

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

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

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

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

10. _______________________ are chemicals that destroy protective ozone.

CFC’s (clorofluorocarbons)

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

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

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

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

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

Chapter 4 Section 2:Environmental Solutions

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

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

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

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

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

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

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

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

Conservation

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

habitatdestruction pollution

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

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

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

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

biodegradable

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

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

alternative

The End!!!