Pre-Test for Species Quizzes


Pre-Test for Species Quizzes		Your name: Coworker:

		Answer the 20 questions below before proceeding further. Your score (5 percent for each correct answer) can be checked at any time at the bottom of the page. Record how you do so that at the end of the lab you can be amazed by how much you have learned. 1. Which of the following species is not native to North America? Common dandelion Brook trout Bison None of the above 2. What is the main product or service that honey bees provide for humans? Make honey Make beeswax Pollinate plants Provide food for birds 3. What is the most likely reason for the introduction of purple loosestrife? For landscaping For medicine For making honey By accident 4. Why were European starlings introduced to North America? Because they were mentioned in one of Shakespeare’s plays Because they have beautiful songs Because they are good to eat By accident 5. What happened to the ancestor of the modern cow? It was killed by hunters It was selectively bred to extinction It is still alive in India It is the American buffalo 6. How did potato plants get to North America? They were brought from South America by Native Americans They were taken from South America to Europe and then to America by settlers They were brought from their native Ireland to the U.S. by immigrants They were brought from Africa to North America with the slave trade 7. Why were mosquito fish spread outside of their native range? For fish bait To control mosquitoes To provide food for game fish For game fishing 8. A biological control option for leafy spurge is Chemical sprays like Round-Up Grazing by grasshoppers Grazing by goats Mowing 9. Scientists first realized that purple loosestrife was an introduced species by: Comparing leaf collections from North America and Eurasia By noticing its rapid spread By finding it only where ships docked By noticing that it was avoided by North American wildlife 10. Which species was introduced almost exclusively for the purpose of human medicine making? Dandelion Purple loosestrife Leafy spurge Pussy willow 11. Which of the following human emotions are documented to lead to the introduction of exotic species? Homesickness Greed Spite Terror 12. When species are introduced outside their home range, which of the following ecological conditions can make them problems? They can’t live in the new area They have narrow niche requirements They leave behind their natural enemies They become symbiotic 13. What word did Charles Elton use in 1958 to describe the impact of invasions on native flora and fauna? Contusion Convulsion Eruption Evolution 14. Leafy spurge is able to aggressively invade rangeland habitats because: It has milky sap that poisons animals. It grows during the winter. It has seeds that hitchhike to new areas on animal fur. It is capable of reproducing by root buds as well as from seeds. 15. Some introduced species become problems in their new-found homes. In what way(s) do exotic species harm native species? Directly compete for food, water, and space Alter ecosystem functions Bring new diseases with them All of the above 16. Which agriculturally important species originated in the “fertile crescent” region of the Middle East? Corn Cow Wheat Honey bees 17. Is the Jerusalem cricket really from Jerusalem? Yes. It is indigenous to the Middle East. No. It is from China. No. It is native to the western U.S. No. It is a South American species. 18. What is the ancestral species that gave rise to modern corn? popcorn teosinte wheat jointed goatgrass 19. Which of the following insects is a U.S. native that switched hosts to feed on an introduced crop? Colorado potato beetle Colorado hairstreak butterfly Beautiful tiger beetle Gypsy moth 20. What is the total economic impact of exotic species on the U.S. economy? $144 million per year $1.8 billion per year $36 billion per year $122 billion per year Score =