Question
HLPaper 1A
The cladogram shows some major orders of placental mammals and is based on biochemical evidence.
Which conclusion can be drawn from evidence in the cladogram?
A
Primates and Cetacea do not form part of any clade.
B
Cetacea are less closely related to Sirenia than to Primates.
C
Xenarthra have not been changed by evolution for longer than other clades.
D
Primates and Sirenia have not evolved from a common ancestor.