David Dausey. David J. Dausey is an epidemiologist, professor and academic administrator. He is currently the Provost and Vice President for Academic Affairs at Mercyhurst University in Erie, Pennsylvania. He is also a Distinguished Service Professor of Health Policy and Management at Carnegie Mellon University in Pittsburgh, Pennsylvania.
First creature to walk on land 'dragged itself along' on two feet - like it was on crutches. One of the first creatures to walk on land didnât scamper gracefully out of the waves. Instead, the creature, known as Ichthyostega, would have hauled itself up on its front limbs like it was on crutches.
The Largest Animal Ever: The Blue Whale. The blue whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. At 30 metres (98 ft) in length and 180 metric tons (200 short tons) or more in weight, it is the largest known animal to have ever existed.he African Bush Elephant is the largest living terrestrial (land) animal, with males reaching 6 to 7.5 metres (19.7 to 24.6 ft) in length, 3.3 metres (10.8 ft) in height at the shoulder, and weighing 6 t (13,000 lb).