Chordata:Amphibian:Reptile: Aves:Mammalia:

Chordata:

Origin and basic plan of chordate, basic plane of vertebvrate body,
Earliest known vertebrate, Primitive jawed vertebrate, Evolution of
jaw in vertebrate, Swimblader in Fishes, Excretion and
Osmoregulation.

Amphibian:

First terrestrial vertebrates:
Evolutionary perspective, Excretion and Osmoregulation,
Reproduction and development.

Reptile:

The First Amniotes
Evoluion of Reptile, Rise and Fall of Reptile, Extinction of
Dinosaurs, Exeretion and Osmoragulation, Poisonous apparatus
and biting mechanism of poisonous snake.

Aves:

Birds, Feathers, Flight and Endothermy:
Phylogenetic Relationship and evolution of Birds, Evolution of flight
in Aves, Aerial adaptation and Migration of Birds.

Mammalia:

Specialized teeth, Endothermy:
Origin of mammals, Evolutionary perspectives, Diversity among
mammals, adaptation in External Structure and Locomotion,
vertebrate Excretion, osmoregulation, Reproduction and
development, Dentition in vertebrae, Comparative account of
Evolution of Heart, gridles Skull, development, nervous system,
Stomach in the vertebrate and urinogenital ducts in vertebrates;