Exploring the World's Grasslands and Their Importance in North America

The video discusses the global distribution of grasslands, focusing on North America where they are known as prairies or plains. It highlights the significant reduction of these ecosystems due to agriculture and urban development, with only a small fraction remaining, such as in Iowa. The remaining grasslands are now protected in preserves and parks, offering opportunities for study and appreciation.

What is the term used for grasslands in North America?

• Prairies

• Steppes

• Tundras

• Savannas

What has replaced a large portion of the original grasslands in North America?

• Agricultural crops

• Lakes

• Deserts

• Forests

In Iowa, what fraction of the original grasslands still exists?

• Ten percent

• One tenth of a percent

• One percent

• One tenth

Where are most of the remaining grasslands in North America found today?

• Urban areas

• Industrial zones

• Deserts

• Preserves and parks

Why are the remaining grasslands important?

• They are used for agriculture

• They provide opportunities for study and appreciation

• They are ideal for urban development

• They are a source of minerals