1. What is a desert?

2. Name North America's four major deserts and tell where they are located.

3. Which continent is the driest?

4. On this map, which continent has the largest desert?

5. Name the five largest deserts according to area in square miles (include area).

6. Why are large mammals usually not found in deserts?

7. What are two main adaptations of desert plants?

8. What does symbiosis mean?

9. What aspect of the desert affects animals more than plants?

10. What part of the Saguaro cactus stores water?

11. What are the dominant animals found in hot deserts?

12. What are the spines on cacti like the Prickly Pear, and what do they do?

13. What is one way animals, such as Kangaroo Rats, conserve water in a desert?

14. About how old is a Saguaro cactus with 5 arms?

15. Why do some desert plants have a waxy surface?

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