and take notes over the questions below:
1. How have humans reversed the ancient trend of biodiversification?
2. What group of people first introduced new species to the Americas?
3. Crosby discusses European motives and intentions in their explorations in the Western Hemisphere. What were the motives Crosby lists for the initiation of contact by Europeans in the Americas? What does he describe as their intentions?
4. How does Crosby categorize where differences were most acute among the four continents considered in the Columbian Exchange?