2.  Dolphins have
Bottle-shaped noses and cone-shaped teeth
Flat noses and chisel-shaped teeth
Rounded noses and wedge-shaped teeth

3.  Dolphins communicate with
Sign language with their flippers
Vibrations from their tails
Clicking sounds and whistles

4.  Dolphins breathe
Through gills in their sides
Through a hole in their head
Through slits in their dorsal fins

5.  Dolphins lay eggs
True
False
Only dolphins who live in the Amazon River

Score =
Correct answers: