Can you please answer these questions 1. How did an understanding of the theory of evolution enable Shubin to predict the age and type of sedimentary rock in which he would find Tiktaalik? 2. Why did Shubin look for fossils in Canada's north? kJo 3. It took five years of field work to find Tiktaalik. What does this suggest about the nature of palaeontology? What challenges do you think Shubin's team faced? 4. Some fish have primitive lungs. Do you think Tiktaalik had lungs in addition to gills? Why or why not? Use the Internet and other sources to check your prediction. 5. Articles submitted to the science journal Nature undergo a rigorous peer review process before being accepted. What is the benefit of such a process? Why would scientists not publish their findings in journals that do not require a review?.