AP BIOLOGY — SCHOLARLY COMPENDIUM & REFERENCE SHEETS
Comprehensive Academic Edition across all 8 CED Units & 60 Topics (1.1–8.7) — Featuring Hierarchical Section Concept Maps, Formal Definitions Lexicons, Vector Diagrams, FRQ Scoring Templates, Experimental Design, Worked Quantitative Math, and Clinical/Ecological Case Studies.
AP Biology Exam Structure, Big Ideas & High-Yield Study FAQ
How is the AP Biology Exam Weighted Across the 8 Units?
The College Board AP Biology Course and Exam Description (CED) weights the 8 units as follows: Unit 1: Chemistry of Life (8–11%), Unit 2: Cell Structure & Function (10–13%), Unit 3: Cellular Energetics (12–16%), Unit 4: Cell Communication & Cell Cycle (10–15%), Unit 5: Heredity (8–11%), Unit 6: Gene Expression & Regulation (12–16%), Unit 7: Natural Selection (13–20%), and Unit 8: Ecology (10–15%).
What Equations & Quantitative Skills Are Tested on AP Bio?
Every topic sheet in this compendium integrates worked AP Biology math: Water Potential ($\Psi = \Psi_p + \Psi_s$, $\Psi_s = -iCRT$), Surface Area-to-Volume Ratios ($SA:V$), Chi-Square ($\chi^2$) Goodness-of-Fit, Recombination Frequency ($RF\% = \text{cM}$), Hardy-Weinberg Equilibrium ($p + q = 1$, $p^2 + 2pq + q^2 = 1$), Exponential & Logistic Growth ($dN/dt$), and Simpson's Diversity Index ($D_I = 1 - \sum(n/N)^2$).
Four College Board AP Biology Big Ideas
Big Idea 1 (EVO): Evolution drives the diversity and unity of life. Big Idea 2 (ENE): Biological systems use energy and molecular building blocks to grow, reproduce, and maintain dynamic homeostasis. Big Idea 3 (IST): Living systems store, retrieve, transmit, and respond to information. Big Idea 4 (SYI): Biological systems interact, and these systems and their interactions exhibit complex properties.
How to Use These Academic Cheat Sheets for MCQ & FRQ Prep
Start each topic with §1. Key Terms & Formal Definitions Lexicon, trace the Hierarchical Concept & Pathway Maps (`[CAUSE ➔ MECHANISM ➔ OUTCOME]`) inside each section, review the vector diagrams and `[COMMON AP EXAM FRQ TRAP]` callouts, and practice the 4-Part Scholarly Synthesis Suite (Null Hypotheses $H_0$, $\pm 2 SE_{\bar{x}}$ error bar rules, pathology case studies, and FRQ scoring verbs).