According to research at Oxford University, dogs are more intelligent because their friendly character helped them develop bigger brains. Cats like to go it alone, so they don't have to think as much.
■Class discussion: Take a poll in class: how many have cats, how many have dogs, how many have both? Set up a debate between Team Dog and Team Cat. What arguments can you pose to defend your stance? How can you "prove" your pet is smarter?
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