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 $\rightarrow$ radial symmetry $\rightarrow$ bilateral symmetry $\rightarrow$ backbone
B) no symmetry $\rightarrow$ bilateral symmetry $\rightarrow$ radial symmetry $\rightarrow$ backbone
C) no symmetry $\rightarrow$ radial symmetry $\rightarrow$ backbone $\rightarrow$ bilateral symmetry
D) no symmetry $\rightarrow$ backbone $\rightarrow$ radial symmetry $\rightarrow$ bilateral symmetry
E) backbone $\rightarrow$ no symmetry $\rightarrow$ radial symmetry $\rightarrow$ bilateral symmetry