1. What is one important way that octopuses typically differ from other cephalopods?

a. They have suction cups on their tentacles, the others don't
b. They have eyes, the others don't
c. They lack any kind of internal or external shell, the others have them

2. The North Pacific octopus is believed to be the world's largest. How big does it get?

a. 30 feet long and 100 pounds
b. 60 feet long and 500 pounds
c. 10 feet long and 25 pounds

3. The California octopus is believed to be the world's smallest. How small is it?

a. Three feet long and 3 pounds
b. One foot long and 1 pound
c. One inch long and less than a pound

4. How long do octopuses typically live?

a. 5 to 10 years
b. 6 months to 6 years
c. More than 25 years

5. What does cephalopod literally mean?

a. Many arms
b. Amazing creature of the deep
c. Head-foot

6. There are more than 650 known kinds of cephalopods. How many are octopuses?

a. About 20
b. About 200
c. About 300

7. Australia's blue-ringed octopus is world-renowned. Besides its beauty, what makes it so special?

a. It is poisonous and can kill a person with one bite
b. It is a delicacy served only in the best restaurants
c. It is the fastest octopus swimmer of all

8. What earned the mimic octopus its name?

a. It can imitate the sounds of the sea
b. It can change its color and body shape to imitate other animals
c. It always turns the color and texture of the sea bottom it is near

9. Octopuses are well known for squeezing into tight spaces. One volleyball-sized octopus was able to squeeze its whole body into which item?

a. A soft drink can
b. A milk jug
c. An aspirin bottle

10. When some octopuses are ready to mate, what do they do?

a. Curl up their tentacles into a tight ball
b. Flash changing patterns of bright colors using special skin cells
c. Dive deep into the sea