The correct option is 4: Pubis The pelvic girdle is a vital part of the appendicular skeleton in a fowl, providing a rigid base for the attachment of the hind limbs and supporting the body's weight, particularly during walking and landing. This girdle is a compound structure, which in all vertebrates, including birds, is fundamentally formed by the fusion of three pairs of bones: the ilium, the ischium, and the…Read More