Critical Reasoning (CR) | Re: Scientists once believed that the oversized head, long hind legs

Scientists once believed that the oversized head, long hind legs, and tiny forelimbs that characterizedTyrannosaurus 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 characteristicT. rex features but was one-fifth the size and one-hundredth the weight.

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