Metabolic adaptations, air sac-filled bones, and evolutionary pressure likely contributed to dinosaurs’ gigantism.



Summary

Dinosaur gigantism was likely a result of several interconnected factors. Metabolic adaptations, allowing for efficient energy use and faster growth rates, played a crucial role. Air sac-filled bones, a unique skeletal structure, reduced bone density, facilitating massive sizes without proportional increases in weight. These physiological advantages, combined with evolutionary pressures favoring larger body sizes, such as competition for resources and predator avoidance, contributed to the development and prevalence of enormous dinosaurs. In essence, optimized biology coupled with selective advantages led to their extreme growth.

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