Question

Birds have evolved from reptiles state evidence to prove it.

Answer 1

Birds, like reptiles have developed wings. Although the way these wings are used is different because it was used for providing insulation from cold in case of reptiles whereas it is used for flight in case of the birds. But this shows that wings are analogous organs and that reptiles and birds adapted in a similar manner in hostile conditions.

Answer 2

the fossil , ARCHEOPTERYX states or proves that birds had evolved from reptiles.
It had wings,beahs with,scaled skin and feathers.

hope it helps you..