Casque refers to which head structure?

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Explore the Academic Decathlon Science Test. Practice with quizzes and in-depth explanations to boost your exam readiness and improve your scores.

Multiple Choice

Casque refers to which head structure?

Casque is a helmet-like projection on the head. In some birds, such as cassowaries and hornbills, this head feature is a bony or keratinous crest that sits on the skull or upper beak, giving a helmeted appearance. A nest is where eggs are laid, a perch is something birds sit on, and a roost is a place to sleep. None of those describe a head structure, so the term casque specifically names that helmet-like crest on the head.

Casque refers to which head structure?

Explore the Academic Decathlon Science Test. Practice with quizzes and in-depth explanations to boost your exam readiness and improve your scores.

Casque refers to which head structure?

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