The Columbian Exchange

What was a major impact of the Columbian Exchange on the world's biological landscape?

• It led to increased biodiversity across continents.

• It caused a significant decrease in plant and animal species variation globally.

• It introduced new species only to the Americas.

• It had no lasting effect on global ecosystems.

What was the primary cause of the drastic population decrease among Native Americans after the arrival of Europeans?

• Wars and conflicts with Europeans.

• Starvation due to crop failures.

• Diseases to which they had no immunity.

• Forced migration and displacement.

Which disease is believed to have originated in the Americas and was brought to Europe during the Columbian Exchange?

• Smallpox.

• Measles.

• Venereal Syphilis.

• Typhus.

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How did the introduction of European animals change life in the Americas?

• They led to the extinction of all native animal species.

• They made long-distance travel and agriculture more efficient.

• They caused a decrease in the overall food supply.

• They were primarily used for religious ceremonies.

What was a significant impact of New World plants on global populations?

• They caused widespread famine due to new diseases.

• They led to a significant increase in global population.

• They primarily benefited only European diets.

• They replaced all Old World crops in agriculture.