What structural feature of the great white's massive jaws allows for an impressive gape of up to 150 degrees during a strike?
Answer
The jaws are connected to the skull only by muscles and tendons
The anatomical structure supporting the great white's jaws is highly specialized to permit extreme opening capabilities. Unlike many vertebrates where the jaw is rigidly connected, the massive jaws of the great white shark are connected to the skull primarily by resilient muscles and flexible tendons. This muscular and tendinous attachment grants the shark the necessary leverage and flexibility to achieve an exceptional gape, documented to reach as wide as 150 degrees. This wide extension is critical for engulfing large prey items during an attack.
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