AP Biology Prep: Format & Free Practice
AP Biology is a college-level biology exam scored 1–5. Here's what it covers and how it's structured — with free COSMIQ practice that emphasizes experimental reasoning and data analysis.
COSMIQ prepares you for the AP Biology and administers realistic full-length mock tests — it does not administer the official test.
Frequently asked
What does AP Biology cover?
It's organized around a set of big ideas — evolution, energetics, information storage and transmission, and systems interactions — assessed through multiple-choice and free-response questions, including data and experimental design.
Is AP Biology practice on COSMIQ free?
Yes. AP practice on COSMIQ is free — voice tutoring, a smart board, and realistic practice questions, with no card required.
Estimate your score with the free AP Biology score calculator.