| An ____ has three hearts, blue blood, and no bones. |
blue whale |
| Due to specialized toe pads, a ____ can run across ceilings. |
cheetah |
| The most massive animal that ever lived on Earth is the ____. |
emu |
| The fastest land animal is the ____. It can sprint up to 70 mph. |
gecko |
| A ____ is a jawless fish with a toothed, sucking mouth. |
lamprey |
| An ____ is a large flightless bird native to Australia. |
mammoth |
| The ____ is an extinct hairy, elephant-like animal. |
mustang |
| A ____ is a free-roaming horse of the western plains. |
octopus |
