Questions: Lizards and snakes (2) Pterosaurs (3) dinosaurs Saurischian dinosaurs (5)

Lizards and snakes (2) Pterosaurs (3) dinosaurs Saurischian dinosaurs (5)
Transcript text: Lizards and snakes (2) Pterosaurs (3) dinosaurs Saurischian dinosaurs (5)
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Solution

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Solution Steps

Step 1: Analyze the relationship between Ornithischian dinosaurs and birds

Ornithischian dinosaurs are one of the two major groups of dinosaurs, characterized by their "bird-like" hip structure. Although they share this structural similarity, birds are not direct descendants of Ornithischians.

Step 2: Analyze the relationship between Saurischian dinosaurs and birds

Saurischian dinosaurs, the other major group of dinosaurs, have a "lizard-like" hip structure. Theropods, a group within Saurischian dinosaurs, are recognized as the ancestors of birds.

Step 3: Determine the closest relative to birds among the options

Considering the evolutionary lineage, Saurischian dinosaurs are the closest relatives to birds among the given options.

Final Answer

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