2. Why does Odder keep going back to Highwater with her diving teacher?
(a) She knows he will take care of her.
(b) She knows her mother is at Highwater.
(c) She is good friends with Gracie and Holly.
(d) She can not search for food herself.

3. Nothing the humans do for Odder is quite right, but it is which of the following?
(a) Harmful.
(b) Completely wrong.
(c) Right enough.
(d) Mean-spirited.

4. What is the first thing Odder says to Kairi?
(a) She is angry.
(b) She has missed Kairi.
(c) She is sad.
(d) She loves Kairi.

5. What is the aquarists' motto when working with otters?
(a) If it has a cord, use it.
(b) Tech is always best.
(c) If it sings, use it.
(d) If it belongs to a wild otter's world, it is worth a try.

6. What do the aquarists use to teach and play with otters?
(a) Shells, algae, urchins, and rocks.
(b) Computers.
(c) Wood.
(d) Musical instruments.

7. What is impossible for Odder to do concerning the big clumsy creatures that are the humans?
(a) Decipher them and their meanings.
(b) Leave them.
(c) Love them.
(d) Hate them.

8. What do the older otters say it means when the aquarists name an otter with a name and not a number?
(a) The otter is going to die soon.
(b) The otter is pregnant.
(c) The otter is friendly.
(d) The otter is staying forever.

9. What does Odder think Kairi is holding?
(a) A blanket.
(b) A toy.
(c) A pup.
(d) Food.

10. What feeling does Odder immediately have during her first ocean dive?
(a) Joy.
(b) Panic.
(c) Anger.
(d) Suspicion.

11. What does Odder think of the animals who care for her?
(a) They are like fish.
(b) They are too small.
(c) They are mystifying, but kind.
(d) They are mean.

12. What can hope be?
(a) Exhausting.
(b) A burden.
(c) Happy.
(d) Dangerous.

13. Why do the aquarists X-ray Odder?
(a) They want to release her back to the wild.
(b) They do not X-ray Odder.
(c) They are worried about her health.
(d) They think she is pregnant.

14. What does Odder see on the horizon once while ocean diving that catches her attention?
(a) Wild otters.
(b) Sharks.
(c) A sunset.
(d) A storm.

15. How does Applegate describe a keystone species?
(a) As nature's war.
(b) As nature's right.
(c) As nature's glue.
(d) As nature's blight.