Question

What possible explanation is given for the sudden extinction of dinosaurs?

Options

• Lack of thick-shelled eggs

• Competition from reptiles

• Return to aquatic environments

• Climatic changes and evolutionary links with birds

Answer 1

The source attributes dinosaur extinction around 65 mya to possible climatic changes. Additionally, the source mentions evolutionary links with birds, suggesting that some dinosaurian lineages may have survived by evolving into avian forms rather than going completely extinct.