Question

Thecodonts did not give rise to

1.Crocodiles

2.Dinosaurs

3.Tuatara

4.Modern birds​

Answer 1

Answer:

modern birds

Explanation:

Bcz. in these teeth anklyosis is absent and roots are cylindrical.

hope it helps

Answer 2

Thecodonts did not give rise to the Modern birds.

• Thecodonts were used to describe the archosaurian reptiles.
• These reptiles included, the dinosaurs, tuatara, crocodiles, pterosaurs  and various other extinct forms.
• Thecodonts were characterized by unique primitive features, such as the suborbital fenestra.
• The suborbital fenestra, on a skull was an opening between the sockets of the eye and the nostrils on each side, with the teeth in between the sockets.