How might fossils help plaeontogists to learn about important behaviors of diffrent types of animals. what social behaviors might they provide?

How they lived, where they lived, and when they lived. Different kinds of animals in the same area would provide a clue as to which animals associated and if they were in packs or loners.

http://www.enchantedlearning.com/subjects/dinosaurs/anatomy/Herds.shtml

https://notes.utk.edu/Bio/greenberg.nsf/6617131020461f6585256d24005739db/b037b35c78d7e53e85256f0c0056deab?OpenDocument