Phylogeny Research is LEAST Likely to Include Which Type of Analysis

Question

Phylogeny research is LEAST likely to include which type of analysis?  
A) Ggenetic
B) Anatomical
C) Behavioral
D) Physiological
E) Direct observation of evolution

Accepted Answer

Direct observation of evolution is not a type of analysis used in phylogeny research. The other options, genetic, anatomical, behavioral, and physiological analyses are commonly used in constructing phylogenies.