(a) Cite the evidence on the basis of which it is concluded that birds have evolved from reptiles.
(b) Insects, Octopus, Planaria and Vertebrates also possess eyes. Can these animals be grouped together on the basis of the eyes they possess. Why or why not? Give reason to justify your answer.

Explanation

(a) (i) Fossils showing imprints of feathers along with the bones in dinosaurs/reptiles found.
(ii) They could not fly and presumably use the feathers for insulation.
(iii) Later they developed/evolved and adapted feathers for flight.
(iv) Thus, they give evidence that birds have evolved from reptiles.
(b) No, the structure of the eye in each of these different/they have separate organisms evolutionary origins.