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 _____________.deforestation
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!!!