Final answer:
The presence of a prominent nasal spine in a skull can help identify or classify it based on this anatomical characteristic.
Step-by-step explanation:
The presence of a prominent nasal spine in a skull can help identify or classify it based on this anatomical characteristic. The nasal spine refers to a bony projection that is found on the inner surface of the nasal bone. This feature can be observed in the skull during examination, and it is used to determine the species or individual to which the skull belongs.
For example, in Homo erectus craniums, such as the one shown in Figure 5.10, the presence of a prominent nasal spine is one of the defining features. This, along with other characteristics like thick skull bones and pronounced brow ridges, can be used to identify and classify the skull as belonging to Homo erectus.