Jessica ate the cookies that her daughter baked for her in one or two sentences identify the bold words as an independent clauses dependent clauses or phrase and explain their functions with the sentence

"ate the cookies" is an independent clause, as it can stand alone as a complete sentence. It functions as the main action of the sentence.

"that her daughter baked for her" is a dependent clause, as it cannot stand alone as a complete sentence. It functions as additional information explaining which cookies Jessica ate.