Question

Which group are called craniates and why?

Answer 1

Vertebrates:

1. These are the organisms that possess an internal backbone surrounded by bone, also known as vertebrae.
2. Vertebrates comprise complex chordates that possess a brain box and a brain.
3. The notochord is partially or completely substituted by a vertebral column.
4. The vertebral column development is always accompanied by the existence of skeletal compositions around the brain and the sense organs to produce a cranium.
5. Thus, vertebrates are also known as craniates.
6. Examples of vertebrates are mammals, snakes, sharks, etc.