What came first the elephent or the crocodile

What are the proteins in connectivity tissues of your foot examples of?

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

If it turned out dinosaurs were colorblind, how would this affect some assumptions scientists have made about them?