Steve is unexpectedly called on in class. he hasn't the faintest idea of the answer, and he feels his heart start to pound and his palms begin to sweat. according to hans selye, he is in the phase of his stress response.

Which of the following statements proves that scientific knowledge changed due to the discovery of the fossil of a hadrosaur in north dakota? hadrosaurs were better runners than earlier thought. hadrosaurs had no pattern on their skin as expected. the length of the hadrosaur was shorter than previously thought. the muscular structure of hadrosaurs was less developed than expected.