Dolphins

15 Points Per Correct Answer - No time limit  

1. Do dolphins breathe air? Yes No

2. Dolphins are warm-blooded animals. True False

3. The powerful up and down movement of the dolphin's tail, or _______, pushes it forward. Dorsal fin Tail Fluke Flipper

4. Hunting in groups forms protection against killer whales and sharks. True False

5. Usually a dolphin's back is darker than its underside. Why is that so? They are just made that way. So it is difficult to see from above or below. The underside stays cleaner. Because of the reflection of the water.

6. Dolphins give off a sound that echoes off of an object and gives the dolphin a clear picture of the distance and size of the object. What is this called? Sound waves Singing Echoes Echolocation

7. The baby of a dolphin is called what? Baby dolphin Calf A dolphin A young

8. Killer whales are the largest members of the dolphin family. True False

9. Dolphins are social animals, like us, and help each other when injured. True False

10. What happens when dolphins get stuck on the beach or in very shallow water? Other dolphins come and help them. When a wave hits the beach the dolphin rides in with it. They eventually make it back out to sea. They can't get back out to sea and they die.