Ecological Complex Systems Quiz

• The total land area covered by forests
• The total richness and variety of life on earth (correct)
• The amount of carbon dioxide in the atmosphere
• The number of humans living on earth

• In the polar regions
• In arid desert regions
• In densely populated urban areas
• In the tropics (correct)

• Threats to food security (correct)
• Improvement in energy security
• Increase in crop yields
• Reduction in urbanization

<p>Invasive alien species (C)</p> Signup and view all the answers

<p>Evolutionary, ecological, and cultural processes (A)</p> Signup and view all the answers