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Across 4. It comes from a word that means "fish sauce" 5. Where the first ketchup came from 10. Ranked second in the world in potato production 12. * your mother would like these flowers for Mother's Day 13. the woolly ____________ became extinct 3,700 years ago 14. Thomas Jefferson was rumored to eat ________whole 17. __________ are people who illegally kill and sell animals parts 19. Brian Switek, a writer for National ____,says "recreating" is unethical 21. * ME is the abbreviation of this U.S. state 24. a huge swap of plants animals between hemispheres wa called the ______Exchange 26. scientists estimated that 1 _______-species disappeared every 1,000 years 27. * a baby horse 30. the process of adapting wild plants and animals for human use 33. large group protecting endangered species is the World ________ Fund 34. tea was dumped in to this city's harbor in 1773 35. Amchaeologist have found the remais of wheat grains near Damascus, ________ 36. a _______disease was discovered causing the deaths of amphibians in Central America 37. scientists would need an animal's ______ to recreate the animal

Down 1. the world's most widespread crop 2. The first extinct species revived was the _______ in Europe 3. * a group of fish or where you learn 4. White Castle opened in this U.S.state 6. Europeans brought _______ and cattle to the Americas 7. some Europens thought lumby, misshapen _______caused diseases 8. ______- was first cultivated in Mexico 9. scientist believe there have been ____mass extinctions on earth 11. the first mass extinction was caused by a rapid growth in _______ 15. this man reached the Americas in 1492 16. several mass extinctions were caused by the impact of an _______ 18. Coffee beans are native to _______ 20. when species disappear quickly it is called a mass ___________ 22. First record of popcorn in the U.S. came from _______ explorers 23. some say reintroducing long-gone animals could hurt today's ___________ 25. the __________golden frog was famous for having such toxic poisen 28. immigrants from this country popularized the potato in the U.S. 29. potatoes were first grown in the _____ Mountains 31. popcorn's original place 32. Colonists to Britain "Don't tax our _______"