The reason the arms are small is to make more room for neck muscles so German Shepherd My Scars Tell A Story They Are Reminders Of When Life Tried To Break Me But Failed Shirt the head could get bigger. The ballpark for current crocs seemed to be more around 5000 PSI from what I’m seeing. Ever since I can’t help but think of t-rex with arm feathers. If they were truly vestigial they would a very limited range of motion and extremely weak muscles. Current studies suggest that the arms were able to move freely and were not as weak as one might assume. If you want to look at vestigial arms on large theropods many species of Abelisaurids such as Majungasaurus, Carnotaurus, and Aucosaurus had vestigial arms that unlike Tyrannosaurs were much more stationary and had a tiny amount of movement.
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Other studies also suggested they used the tiny arms to German Shepherd My Scars Tell A Story They Are Reminders Of When Life Tried To Break Me But Failed Shirt push themselves off the ground when they were knocked over, to grip onto wriggly prey since they did have really good strength in them, and males may have used them to hold females when mating. They probably don’t need the arms. Evolution doesn’t really care what you need, that’s why vestigial remnants exist. The T-Rex likely evolved from an ancestor that did need its arms, and over time the arms became vestigial. They probably only kept the arms at all because the arms didn’t really interfere with natural selection. The dinosaur ride at the animal kingdom. When it gave chase the second encounter, even more shit your pants.
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