Put the Following Animal Adaptations in Order from Earliest to Most

Multiple Choice

Put the following animal adaptations in order from earliest to most recent adaptation.

A) no symmetry→radial symmetry→bilateral symmetry→backbone
B) no symmetry→bilateral symmetry→radial symmetry→backbone
C) no symmetry→radial symmetry→backbone→bilateral symmetry
D) no symmetry→backbone→radial symmetry→bilateral symmetry
E) backbone→no symmetry→radial symmetry→bilateral symmetry