Aristotle was one of the first people to classify life on Earth. He grouped animals based on how they moved. He sorted animal species into those who could fly, walk, or swim. Which of the questions below would help you determine the problem with Aristotle’s classification system?

A.
Did Aristotle name organisms based on the group into which they were classified?



B.
Did Aristotle further break down groups into smaller and smaller groups?

C.
Did Aristotle identify some organisms that could be placed in two different categories during their lives?



D.
Did Aristotle group organisms based on physical characteristics?