Multiple choice Which of these does not describe the Olmecs Built monumental head shaped statues Mother of Mesoamerican civilisation highly religious society Ancestor of Mississippi mound culture Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Olmecs were a Mesoamerican civilization. The Mississippi mound culture (Mississippian culture) developed much later and in a different geographic region, so it is not an ancestor of the Olmecs.