Question

question 9 (6.25 points)
listen
what were the key features of the columbian exchanges impact on ecosystems? (select all that apply)
a) crops like potatoes improved nutrition in europe
b) invasive plants spread unintentionally
c) new animal species introduced to the americas
d) complete ecological isolation

Explanation:

• Option a: Potatoes from the Americas were a nutritious addition to European diets.
• Option b: Invasive plants like weeds were unintentionally spread during the Columbian Exchange.
• Option c: Animals like horses were introduced to the Americas.
• Option d: The Columbian Exchange ended ecological isolation, so this option is incorrect.

Answer:

A. Crops like potatoes improved nutrition in Europe, B. Invasive plants spread unintentionally, C. New animal species introduced to the Americas