The Amazing Saguaro Cactus

How tall was the largest recorded saguaro cactus?

• 50 feet

• 78 feet

• 30 feet

• 100 feet

What conditions are necessary for saguaros to grow?

• Cold temperatures with heavy snow

• Summer and winter rains with mild winters

• Dry conditions with no rain

• Constant sunshine and high humidity

At what age do saguaros start to grow their first flowers?

• 1 to 5 years

• 10 to 20 years

• 35 to 50 years

• 75 to 100 years

What animals make nest holes in the saguaros?

• Eagles

• Owls

• Gila woodpeckers

• Sparrows

What is the saguaro blossom?

• Arizona's state flower

• Nevada's state flower

• Mexico's national flower

• California's state flower

Which of the following statements about saguaros is true?

• They grow throughout California.

• They are too spiky for animals to get close to.

• They are full-grown by 50 years old.

• They only grow in the Sonoran Desert.

Reread the following sentence from the article: But one thing is certain—you never want to be hugged by one because they’re covered with spines! In this sentence, which of the following definitions of spine is being used?

• bravery or courage

• another name for a backbone

• a type of defensive spike

• a thing’s main feature or source of strength