From the fossil evidence, at least some dinosaurs appear to have grown more rapidly than any wild reptile, suggesting the juveniles were very aerobically active and able to seek out large amounts of food.

• 化石证据说明，至少一些恐龙要比任何一种野生的爬行类生长速度快得多，说明那些幼兽是活跃的需氧动物，并且有能力找到大量的食物。