Scientists once believed that the oversized head, long hind legs, and tiny forelimbs that characterized Tyrannosaurus rex developed in order to accommodate the great size and weight of this prehistoric predator  However, this belief must now be abandoned  The nearly complete skeleton of an earlier dinosaur has recently been discovered  This specimen had the characteristic T
rex features but was one-fifth the size and one-hundredth the weight
At what stage in its life did the recently discovered dinosaur die.