Question

Archaeopteryx is a connecting link between reptiles and birds. Justify the statement by giving two characteristics of each group.

Answer 1

Reptile-like characteristics of Archaeopteryx:
(i) Tail was long with free caudal vertebrae.
(ii) Teeth present in jaws.
(iii) A week and keel-less sternum.
Bird-like characters of Archaeopteryx:
(i) Presence of feathers on the body.
(ii) Forelimbs modified into wings.
(iii) Four toes in the foot adapted for perching.