The 8 week old embryo has forelimbs and hind limbs. The hind limbs disappear in later development. What information can you gain from looking at the development of an embryo

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.