Asan-0101ir 12/7/01 9 09 AM Page 8 Name Date CHAPTER RETEACHING ACTIVITY Peopling the Americas Section 1 Completion A. Select the term or name that best completes the paragraph. Beringia 45 000 Paci c Coast corn 22 000 big-game woolly mammoth squash Mississippi River buffalo farming re The rst Americans arrived as early as years ago. It is believed that they crossed a frozen land bridge between Asia and Alaska now called and into North America* Some groups may also have edged down the in boats. Evidence suggests that these rst Americans were hunters and that their most rewarding prey was the which provided them with many of life s essentials. Between 10 000 and 5 000 years ago people began to experiment with in what is now central Mexico. Archaeologists believe that was the rst plant that ancient Americans developed for human use. The growth of agriculture allowed people to settle down in one Summarizing B. Complete the chart below by providing characteristics and achievements of Ameri....