Amar is making a cladogram. Out of all the species he is using, he knows that species X and Y are the least primitive and are the most closely related.Where will these organisms most likely be placed on the diagram?

In a cladogram, the least primitive organisms are placed farther along the branches from the common ancestor, typically toward the diagram’s upper right. Because species X and Y are the most closely related, they should be placed near each other. Therefore, they belong at two points close together toward the upper right.

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