What is the difference between a nonvertebrate and a vertebrate?

A.Nonvertebrates are invertebrates while vertebrates are chordates. B.Nonvertebrates only have notochords while vertebrates develop backbones.
C. Nonvertebrates have tails while vertebrates lack tails.
D. Nonvertebrates have nerve cords while vertebrates lack nerve cords.

Question

What is the difference between a nonvertebrate and a vertebrate?

A.Nonvertebrates are invertebrates while vertebrates are chordates.		B.Nonvertebrates only have notochords while vertebrates develop backbones.
C. Nonvertebrates have tails while vertebrates lack tails.		
D. Nonvertebrates have nerve cords while vertebrates lack nerve cords.

anonymous · Answer

@montrealgurl  @UK_IN_US @Bomull @serdwins8  help please? =)

anonymous · Answer

B.