Question 1: Which desert is the only home of the saguaro cactus?
A. Mojave Desert
B. Sonoran Desert
C. Chihuahuan Desert
The saguaro cactus naturally occurs only in the Sonoran Desert, which spans parts of Arizona, California, and Mexico.
Correct Answer: Sonoran Desert
Question 2: Which bird often nests in woodpecker holes in saguaros?
A. Roadrunner
B. Elf Owl
C. Meadowlark
Woodpeckers carve holes in saguaros that later become nesting sites for elf owls, providing shelter in the harsh desert.
Correct Answer: Elf Owl
Question 3: What adaptation lets saguaros store extra water after rain?
A. Thick roots
B. Spiny skin
C. Pleated trunks
Saguaros have pleated trunks that expand to store water after rainfall and contract during drought, conserving resources.
Correct Answer: Pleated trunks