The diagram shows a phylogenetic tree of life.

Question

Which of the following statements correctly explain the reason for the locations of a pair of organisms in this diagram? Select all that apply.

a
Spirochetes and proteobacteria have different DNA structures.
b
Entamoeba and halophiles have different DNA structures.
c
Thermoproteus and pyrodictium have similar DNA structures.
d
Halophiles and ciliates have similar DNA structures.
e
Flagellates and cyanobacteria have similar DNA structures.
f
Aquifex and slime molds have similar DNA structures.

Answer 1

c
Thermoproteus and pyrodictium have similar DNA structures.
e
Flagellates and cyanobacteria have similar DNA structures.