They evolved during the Cambrian explosion.
The lower limb bones are attached to the axial skeleton by a ring of bones called the pelvic girdle. The pelvic girdle consists of the right and left hip bones.
The bones of the head and trunk of the vertebrate form the axial skeleton.
Answer:
true
Explanation:
theres a bunch of different categories depending on the subject
I believe that it is D. All of the above.
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