Question

How many groups did Aristotle use to divide all of the organisms in the world?

Answer 1

Aristotle based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups

Answer 2

Answer:

Aristotle developed the first system of classification of animals. He based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups, and then into five genera per group, and then into species within each genus.