Q: The vertebrate endoskeleton can also be called what?


Read this paragraph and choose the correct option from the provided answers:

The vertebral column is the core of the vertebrate endoskeleton, or internal skeleton. You can see a human skeleton as an example of the vertebrate endoskeleton in Figure below . In addition to the vertebral column, the vertebrate endoskeleton includes:.

 Choices:

- structural skeleton

- exoskeleton

- deep skeleton

- internal skeleton


A:
internal skeleton