Birds are thought to have evolved from a group of bipedal dinosaurs called what?

• Correct Answer: therapods
• staurikosaurus
• pteradactyls
• sporozoans

Explanation: Birds are thought to have evolved from a group of bipedal dinosaurs called theropods . The ancestor of birds was probably similar to the theropod called Deinonychus, which is represented by the sketch in Figure below . Fossils of Deinonychus were first identified in the 1960s. This was an extremely important discovery. It finally convinced most scientists that birds had descended from dinosaurs, which had been debated for almost a century.

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