a. American bison onced freely roamed the Great Plains. In the 1820s, there were some 30 million bison in the United States but a survey in 1889 counted just 1,091. Why were the bison driven to near extinction?

How were the bison like tuna?

b. At some restaurants and grocery stores, you can buy bison burgers, made from farm-raised bison. Is this good news or bad news if we want more bison around? n68