A Hypothesis Regarding Ancestor-Descendant Relationships That Includes a Time Scale

Question

A hypothesis regarding ancestor-descendant relationships that includes a time scale is called a
A) cladogram
B) phylogenetic tree
C) phylogram tree
D) hypogram tree
E) hypoplastic tree

Accepted Answer

A phylogenetic tree is a diagram that represents evolutionary relationships among organisms. It includes a time scale, showing how species have diverged from common ancestors over time.