All questions are not created equal …
We’ve determined the difficulty of these questions based on more than four hundred million responses from students nationwide using the online adaptive quizzing system Prep-
The difficulty meter below each question indicates the proportion of students answering the question incorrectly.
How can this help you?
We’ve included questions with a wide range of difficulties. It’s okay if you get some wrong. By noting the difficulty level of those giving you trouble, you can better assess where you stand as you master the material.
Science is:
All of the following are elements of biological literacy except: