HUMAN IMPACT ON ENVIRONMENT

Learn about human impact on our planet: population, climate, and ecosystems!

Institut national d’études démographiques 1. Examine this resource about human population, then click "Let's Go! Examine this resource about human population, then click "Let's Go!" 1a. How many people lived in each region when you were born? Region Population at your birth Population Now Growth rate (it was multiplied by...) World Africa Latin America North America Europe Oceania Asia 1b. Which area had the highest growth rate (largest "it was multiplied by" value)? Which had the lowest rate? 1c. What are some factors that could contribute to these trends? Coral Bleaching Watch this video about coral bleaching. 2a. Where does this scientist work? 2b. What structures does an animal, including a coral polyp, need? 2c. What is the name of the symbiont in the gastrodermis AND how does it obtain energy? 2d. Explain why the symbiont is ejected (spit out). 2e. Why is coral bleaching harmful? 3. Use this climate interactive "time machine" to answer each item in the TREND column. TOPIC TREND Sea Ice Sea Level (be sure to examine and describe all 4 locations) Carbon Dioxide Global Temperature Understanding Global Change Infographic 4. Examine this infographic about Global Change. 4.a) List 3 items in the Biosphere that can make measurable changes in the Earth System. 4b. How does burning of fossil fuels affect how the earth system works? 4c. In what SPHERE are water cycle and ocean circulation located? Understanding Global Change Use this "Understanding Change Interactive" to answer each item on the right. Click "Get Started" (don't choose to "Skip Intro") and answer the first three questions.Use the modeling program. You must include factors from each of the three categories (Causes of change, How the Earth System Works, and Measureable Changes) and at least 5 arrows demonstrating their connections. Title your System Model and explain each arrow in the work bar on the left. Screenshot your final model and turn in to the System Model dropbox in Google Classroom.If you need help or definitions, click 5a. Which time scale is employed to measure changes due to human activities? 5b. What human activity changes greenhouse gas levels? 5c. What is impacted by habitat loss?