What is the topic of an article called “Shark Teeth are for Tearing: Animal Diets and Tooth Shape”? what sharks eat
sharks
how a shark’s teeth help it protect itself
how tooth shape can show what animals eat

i believe it is the first option, having taken lessons

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.

a volcaon there and it can go any time