Paging XKCD:
[Via Balloon Juice]
Velociraptors climbed trees, presumably to ambush prey by pouncing on their heads. Oy.
***Update***
[More]
XKCD is such a terrific site. I wish more tests were just like this. These are actually some of the best story problems I have ever seen. Make it life or death. I’m not even in the class and I want to take the test!