Question

What is meant by vertebrata?And its general characters,classification?

Answer 1

Vertebrates are one of the most advanced organisms on Earth. The trait which makes all the animals in this category unique are the vertebrae.

vertebrates have a vertebral coloum(backbone).  

Class Agnatha (jawless fishes)

   Class Chondrichthyes (cartilaginous fishes)

   Class Osteichthyes (bony fishes)

   Class Amphibia (amphibians)

   Class Reptilia (reptiles)

   Class Aves (birds)

   Class Mammalia (mammals)