The sea mammal is this.
The blue whale.
All birds lay this.
Eggs.
Snakes use their tongue to do this.
To smell.
Fish use these to be able to breathe.
Gills.
Insects have this many legs.
6.
The fastest land mammal is this.
The cheetah.
The claws of a bird of prey is called this.
Talons.
When a frog is brightly colored, it means this.
They are poisonous.
A fish's skin is covered in this.
Scales.
The largest, common bee is this.
The bumblebee.
The only egg-laying mammal.
The duck-billed platypus.
The yellow part of a bird egg.
The yolk.
Turtles use this to defend themselves.
Their shell.
This kind of fish is famous for going between salt water and fresh water.
Salmon.
Butterflies and moths begin their life as this before they go into metamorphosis, or change their form.
Caterpillars.
This sea mammal is also known as a "sea cow".
The manatee.
The smallest bird in the world is this.
The hummingbird.
The name a baby frog goes by before it goes into metamorphosis, or changes into a frog.
This fish can smell the blood of prey for miles.
Sharks.
Insects have a hard body covering called this to protect themselves.
Exoskeletons.
Name a feature only known to mammals.
Having hair and producing milk.
This bird is the symbol of the United States.
The bald eagle.
When a lizard loses its tail, this occurs.
It regenerates, or grows a new tail.
This fish in known for carrying eggs on its body.
Seahorses or pipefish.
This is the most organized insect.
The ant.