You are writing a compare and contrast essay; your thesis is provided below. Crocodiles and alligators look very similar, but there are a few key physical traits that show the difference.
Which of the following points of comparison would most effectively support your thesis?

American alligators, Chinese alligators, Caiman alligators

Types of prey, hunting styles, territorial behavior

Snout shape, skin color, visibility of teeth

Habitats, length of life, sense of smell