Which outcome occurs regarding buoyancy control when a diving bird's air sacs rupture?

💡 Explanation

When air sacs rupture, the abrupt decrease in air volume causes buoyancy loss because the bird’s ability regulate air volume for ascent or descent is compromised, severely hindering underwater maneuverability. Therefore controlled submersion is lost, rather than increased drag, reduced insulation, or enhanced respiration, which involve alternative independent processes.

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