Select the answer choice that identifies the noun in the sentence. Sharks and lampreys are not true fish because their skeletons are made of cartilage rather than bone.
Select the answer choice that identifies the noun in the sentence. Sharks and lampreys are not true fish because their skeletons are made of cartilage rather than bone.
Explanation
Bone is a noun.
True is an adjective modifying the noun fish.
Because is a conjunction.
Their is a plural possessive third-person pronoun modifying the noun skeletons.