Evolutionary tree diagrams representing the relationships between various organisms can be drawn only when those organisms share a
A)common cellular metabolism.
B)distinct lineage.
C)common cellular organization.
D)common ancestor.

Question

Quizplus · Accepted Answer

Evolutionary tree diagrams are based on the concept of common descent, which means that all living organisms that have ever existed are descended from a single common ancestor. Therefore, in order to draw an evolutionary tree diagram, the organisms being compared must share a common ancestor. Choices A and C do not necessarily indicate common ancestry, and choice B is not a requirement for drawing an evolutionary tree diagram.

Evolutionary Tree Diagrams Representing the Relationships Between Various Organisms Can