To what does phylogeny refer? .
a) a set of behaviors and anatomical characteristics that is unique to mammals adapted to life in the trees
b) primates’ ability to get around in trees using an unusually wide range of motions involving the limbs and trunk
c) evolutionary relationships that are based on shared characteristics including physical traits, genetics, and behavior
d) the fundamental anatomical features in primates that reflect their high degree of diversity anthro

The correct answer is letter C: evolutionary relationships that are based on shared characteristics including physical traits, genetics, and behavior.

Explanation:

Phylogeny is the genealogical history of a group of organisms, a hypothetical representation of ancestor’s relationships and its lines of descent. In other words evolutionary relationships that are based on shared characteristics including physical traits, genetics, and behavior. The lineages as they change trough time but keep a genetic connection whit retaining many of their ancestral features. Phylogeny can explain similarities and differences among plants, animals, and microorganisms.

the answer to your question is,

old stone age.

-mabel < 3