1. Biology in the 21st Century
SECTION
1.5
BIOLOGY AND YOUR FUTURE
Power Notes
Biology in the 21st Century
CHAPTER 1
Personal health and lifestyle choices:
Environment and society:
Biology
Biotechnology
Benefits
Risks
Ethical Considerations
Copyright © McDougal Littell/Houghton Mifflin Company.
Unit 1 Resource Book McDougal Littell Biology
Power Notes 19

2. KEY CONCEPT Understanding biology can help you make informed decisions.

3. Your health and the health of the environment depend on your knowledge of biology.
Knowledge of biology helps you understand your health.
food allergies
potential effects of obesity
Write in Personal health and lifestyle choice box!

4. Knowledge of biology helps you understand your health. food allergies
potential effects of obesity
Cancer prevention
effects of alcohol, tobacco, and other drugs
brain
lungs
heart
liver
kidneys
Write in Personal health and lifestyle choice box!

5. Knowledge of biology can help you understand environmental issues.
interactions in ecosystems
pollution
Biodiversity
Climate change
Extinction
Write in Environment and society box!

6. Biotechnology offers great promise but also raises many issues.
Biotechnology is the use and application of living things and biological processes. Write this next to the word “Biotechnology”

7. Biotechnology is the use and application of living things and biological processes.
DNA testing in medicine and forensics detect genetic disorders
Increased food production
Forensic science solves
crimes
transgenic (genetically modified)
transgenic bacteria
Write in Benefits box!

8. Questions are raised about the use of biotechnology.
safety of genetically modified crops
Write in Risks box!
spread of undesirable genes
decrease in biodiversity
ethical considerations

9. Biology presents ethical questions.
Privacy of genetic testing
Possible discrimination based on genetics
Use of animals in laboratory tests
Genetic changes in human embryos
Write in Ethical Considerations box!

10. What are You?