Evaluation

Metameric segmentation is the main feature of

Identify the structure that the archenteron becomes into a developing animal.

List the characteristic features that distinguish the cartilaginous living fishes with living jawless fishes.

List three features that characterise the bony fishes.

List the function of air bladder in fishes.

Write the characteristics that contribute to the success of reptiles on land.

List the unique features of bird’s endoskeleton.

Could the number of eggs or young ones produced by an oviparous and viviparous female be equal? Why?