Bones in the skull are immovable. They are connected by which type of joint?
diarthrosis
synarthrosis
amphiarthrosis
gliding

synarthrosis

Explanation:

AKA *sutures*

Characteristics of Fibrous Joints

These joints are also called fixed or immovable joints because they do not move. Fibrous joints have no joint cavity and are connected via fibrous connective tissue. The skull bones are connected by fibrous joints called sutures.

obviously, the latter.