is the group of words in bold a phrase or a clause? the cranium, a grouping of eight bones fused together…

is the group of words in bold a phrase or a clause? the cranium, a grouping of eight bones fused together, forms the top portion of the skull and functions like a protective helmet for the brain. phrase clause
Answer
Brief Explanations:
A phrase is a group of words without a subject - verb combination. The bolded part "a grouping of eight bones fused together" has no subject - verb pair. A clause has a subject and a verb. Since there is no subject - verb in the bolded part, it is a phrase.
Answer:
phrase