NAME: ____________________ PERIOD: ______ Environmental Science Endangered Species Field Trip Worksheet DUE DATE: ____________ DIRECTIONS: Access the websites below and follow the directions. Enjoy your trip! Access the following website and answer the following questions: http://www.powershow.com/view/acf5e-ODk3Y/ENDANGERED_SPECIES_powerpoint_ppt_presentation 1. Write the definitions for the following terms IN YOUR OWN WORDS: A. Endangered Species: B. Vulnerable Species: C. Threatened Species: 2. Recent estimates by scientists state approximately how many species inhabit the planet? _________________________ 3. In the United States, how many species of plants and animals are listed as threatened or endangered? ANIMALS: ____________ PLANTS: _______________ 4. In which biomes/ecosystems are most endangered species overlooked? _______________________________________________________ 5. What percent of the world’s land area is dedicated to protecting endangered species? ______________ 6. What is the current global extinction rate? ____________________________ 7. What is the #1 reason species become endangered in the world? ______________________________ 8. List the other 3 main reasons species become endangered on Earth: A. B. C. 9. What is “habitat fragmentation” and how can it cause species to become extinct? 10. What was the Endangered Species Act of 1973? 11. Name FOUR things YOU could do to help save endangered species: A. _____________________________________________________ B. _____________________________________________________ C. _____________________________________________________ D. _____________________________________________________ Go to the link below and answer the following questions: http://www.biologicaldiversity.org/programs/biodiversity/elements_of_biodiversity/extinction_crisis/ 12. What is meant by “background rate of extinction?” _______________________________________________________________ 13. How many species will become extinct per year because of background extinction? ____________ 14. Why is it difficult to know the exact number of species that currently become extinct each year? _____________________________________________________ Go to the following website and complete the table below: http://www.kidsplanet.org/factsheets/map.html For each biome/ecosystem below, give the name of one endangered species found there. Also list the specific reason(s) they have become endangered. You must make sure that the species you select lives in the biome (i.e. the prairie dog lives in the grassland, NOT the desert) BIOME ENDANGERED SPECIES REASONS FOR ENDANGERMENT Coniferous Forest Ocean Estuary Desert Deciduous Forest Grassland Tundra Tropical Rainforest Go to the link below and answer the following questions: http://www.fws.gov/midwest/eagle/recovery/index.html 15. What were the four main causes leading to the near extinction of the bald eagle? A. __________________________________________ B. __________________________________________ C. ___________________________________________ D. ____________________________________________ 16. Why is the bald eagle’s story a “success”? _____________________________________________________________ Do an internet search to find answers to the following: 17. IN YOUR OWN WORDS: What is the difference between a species that is EXTINCT and a species that is EXTINCT IN THE WILD? 18. Name AND give a brief description of 5 main reasons why endangered species should be saved: A. B. C. D. E. 19. What is meant by an “endangered species recovery plan”? CONGRATULATIONS!! YOU HAVE COMPLETED THE ENDANGERED SPECIES FIELD TRIP!