Read the passage: chimps can use sign language to talk to their trainers. monkeys can learn to count. a crow can figure out how to use a stick to get at that hard-to-reach grub. chickens can learn to play checkers. even worms can be taught to run mazes. so which animal is the smartest? you're probably thinking that chimps are smarter than chickens. and that crows are smarter than worms. and that you’re smarter than all of them. which element of this passage tells you that the writer's purpose is to give you information about animal intelligence? the writer explains which animals can perform tricks. the writer knows that humans are the smartest animals of all. the writer asks you a question that she plans to answer in the text.