Ninth Grader Maricella Became Interested in Genetics for the First

Multiple Choice

Ninth grader Maricella became interested in genetics for the first time while reading about dinosaurs in the book Jurassic Park. She then asked her teacher whether she could write about what it would be like if someone genetically reproduced some kind of super-dinosaur by accident. This subject would have been too abstract for her just two years before. According to Piaget, this shows that Maricella had reached the __________ stage.

A) sensorimotor
B) preoperational
C) concrete operational
D) formal operational