Front

What are animals without backbones called?

Back

Invertebrates

Front

What are animals with backbones called?

Back

Vertebrates

Front

Which organism is cold-blooded, lives fully in water, lays eggs, and breathes with gills under water?

Back

Fish

Front

What is true about mammals and birds?

Back

They are both warm-blooded and breathe air with lungs.

Front

Which organism lays eggs, is warm-blooded, breathes with lungs, and has beaks?

Back

Birds

Front

What is the main characteristic of vertebrates?

Back

They have a backbone.

Front

What is the main characteristic of invertebrates?

Back

They do not have a backbone.

Front

Name a type of vertebrate that can live both in water and on land.

Back

Amphibians

Front

What do mammals have that birds do not?

Back

Fur or hair.

Front

What do birds have that mammals do not?

Back

Feathers.