Attempt any TWO of the following .
(i) Give reason - Archaeopteryx is called connect ing link between reptiles and birds'/

Explanation

Archaeopteryx is the connecting link between birds and reptiles and thus shares characters of both the classes i.e, birds and reptiles. It has long tail like reptiles supported internally by several caudal vertebrae. Scales were present on the body. Bones were solid not pneumatised.