A-LevelBiologySelection and evolutionMay/June 2022Paper 4 Q514 Marks
Bison are a type of large wild cattle. Ancestors of modern bison appeared in Asia 2.5 million years ago. This ancestral bison species increased its range into Europe and North America. While the ancestral species is now extinct, its descendants include Bison bonasus, the European bison, and Bison bison, the American bison. [Figure 5.1] shows an American bison.
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