Question

multiple choice question
in vertebrates, the series of small bone or cartilage structures that make up the backbone are called
sphincters.
ligaments.
chelicerae.
vertebrae.

Explanation:

• Sphincters are circular muscles that regulate the passage of substances through body openings.
• Ligaments are connective tissues that connect bones to other bones.
• Chelicerae are mouthparts in some arthropods.
• Vertebrae are the small bone or cartilage structures that form the backbone in vertebrates.

Answer:

vertebrae.