is the group of words in bold a phrase or a clause? the malleus, incus, and stapes—also called the hammer…

is the group of words in bold a phrase or a clause? the malleus, incus, and stapes—also called the hammer, anvil, and stirrup—are the bones in the ears of all mammals that help transmit sound vibrations. phrase clause
Answer
Answer:
phrase
Brief Explanations:
The bold - part lacks a subject - verb combination. A phrase is a group of words without a subject - verb unit, while a clause has one. So it's a phrase.