Question

the ilium, ischium, and pubis fuse into a single bone called the:
a coxal bone
b coccyx
c pelvis
d pectoral girdle
e patella

Explanation:

The ilium, ischium, and pubis are parts of the hip bone. The hip bone is also known as the coxal bone. The coccyx is the tailbone. The pelvis is a structure formed by the coxal bones and the sacrum. The pectoral girdle is related to the shoulder. The patella is the kneecap.

Answer:

A. coxal bone