Most of the _________ in vertebrate embryos are replaced by bones in adults.Ligaments Cartilages TendonsMuscles

What happens to the embryonic notochord of vertebrates, in general?A     It is replaced by a bony vertebral column in all vertebrates.B     It is replaced by a cartilaginous vertebral column in all vertebrates.C     It persists throughout life in all vertebrates.D     It is replaced by a bony or cartilaginous vertebral column.

Cells in an embryo’s _______________ will later form muscle, bones, and the circulatory system.

Select the two types of ossification that occur during human embryonic development.Multiple select question.ExtramembranousExochondralIntramembranousIntrachondralEndochondral

Fill in the Blank QuestionFill in the blank question.Based on the way they develop, most bones in the body are bones.

Cartilage, blood and bone are all classes of _____