The ____ is a bone in the middle ear of tetrapod vertebrates that evolved from, and is therefore ____to, the hyomandibula in early fishes.
A) hyomandibula; homologous
B) eardrum; analogous
C) eardrum; unrelated
D) stapes; unrelated
E) stapes; homologous

Question

Quizplus · Accepted Answer

The stapes is a bone in the middle ear of tetrapod vertebrates that evolved from the hyomandibula in early fishes, making it homologous to the hyomandibula.

The ____ Is a Bone in the Middle Ear of Tetrapod