All Vertebrate Embryos Have _____ at Some Point During Embryonic

Multiple Choice

All vertebrate embryos have _____ at some point during embryonic development, indicating a common evolutionary ancestor.​

A) analogous structures​
B) four limb buds, a tail, and somites​
C) two limb buds and a tail​
D) ​a backbone and four limb buds
E) ​back vertebrae, two limb buds, a tail and somites