Total 10 Questions (Please login to see all questions)

1. If a theropod track measures 84 cm / 33 inches, that is almost:
2. Scientists estimate that the trackways found in Glen Rose, TX were made 110 million years ago and those found in Hadley, MA were made between 225 and 220 million years ago. That means that scientists believe that:
3. If a theropod track measures 8 cm, it is approximately: