Q: Answer the following question given this paragraph: Vertebrates are chordates with a vertebral column and endoskeleton of cartilage and bone. Vertebrates also have several organ systems. Q: What is the term for chordates with a vertebral column and endoskeleton of cartilage and bone? A:

Choose from: A. am. B. insect. C. mammel. D. vertebrate.
A:
D.