Biology Packet 10: Human Ecology Textbook pages: 118-165 Prentice Hall Regents Review Book: pages 109-130 At the end of this unit, the students will be able to: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. List the characteristics used to describe populations. Identify factors that affect population size. Differentiate between exponential and logistic growth. Identify factors that limit population growth. Differentiate between density-dependent and density-independent limiting factors. Explain what is meant by carrying capacity. Describe how the size of human population has changed over time. Explain why population growth rate differ in countries throughout the world. Identify ways humans have affected ecosystems. Define biodiversity and explain its value. Identify current threats to biodiversity. Describe the goal of conservation biology. Relate the importance of topsoil to farm productivity. Discuss the importance of several types of air and water pollution. Explain how the greenhouse effect can alter Earth’s climate. Relate the importance of the 3 Rs—reduce, ruse, recycle—to the health of the biosphere. Compare renewable and nonrenewable resources. Discuss reasons why protecting the environment must be a worldwide effort. ___________________________________________________________________ Vocabulary to know for this packet (taken from the textbook and Prentice Hall review book) Population density Immigration Emigration Exponential growth Logistic growth Carrying capacity Limiting factor Density-dependent limiting factor Density-independent limiting factor Renewable resource Nonrenewable resource Soil erosion Deforestation Smog Pollutant Acid rain Biodiversity Extinction Endangered species Ozone layer Global warming Direct harvesting Fossil fuel Industrialization Nuclear fuel Trade-off