1 Multiple Choice A Aristotle's model of classification was used until the 1600s. Plants were categorized by the size of their stems and animals by where they lived. What would be a limitation of using this model? B C Name: D Date: It is difficult to remember classifications without notes. Some organisms fit into more than one category. The system results in only two major categories. Groups would contain small numbers of animals.

An evolutionary lineage is a series of populations of organisms that descend from a common ancestor. Each species in the lineage is the direct consequence of evolutionary change from a common ancestor. A phylogenetic tree is generally used to display lin…