Vertebrates are classified as, ____________________, __________________,

_______________________, ______________________, and _______________________.

The _____________________are animals that are born alive and have hair or

fur as their body covering. The _____________________ are animals that have

scales, fins, and gills and live in water.

While _________________________are animals that have dry scaly skin and

hatched from egg. The _____________________are animals that have moist skin

and can live both on land and in water and ________________________are animals

with beak or bills and have wings.​