Total 8 Questions (Please login to see all questions)

1. In 2004, scientist found the fossil of a sleeping dinosaur believed to be 135 million years old. By how many years is this fossil older than the hadrosaur fossil found in North Dakota mentioned above?
2. The four-winged dinosaur Microraptor gui, is thought to have glided among the trees. If there were 4 Microraptor guis in one location, how many wings were there?
3. The amber with dinosaur feathers found in 2011 may be 78 million years old. That would be written as: