A researcher is evaluating the development of the turtle shell. She notices that the bones composing the "breastplate" of the shell on the shell's bottom start as small nodules of bone, which radiate outward as development proceeds. She does not observe any cartilage during the formation of this part of the turtle shell. This is an example of membranous bone.

Question

Quizplus · Accepted Answer

The formation of bones without cartilage is characteristic of membranous bone development. The researcher's observation of small nodules of bone radiating outwards during development supports this classification.

A Researcher Is Evaluating the Development of the Turtle Shell