The 3 documents AP Biology Report Guide, Writing an Abstract, and Abstract Rubric work together to help teachers establish and maintain high expectations by providing students with a clear, consistent framework for scientific writing rooted in Claim-Evidence-Reasoning (CER). The AP Biology Report Guide sets the foundation by outlining the structure and expectations of a formal lab report, guiding students to make precise claims, support them with relevant and accurate data, and explain their reasoning using biological principles. Writing an Abstract reinforces these skills by teaching students how to concisely synthesize their investigation, requiring them to clearly articulate their claim, summarize key evidence, and connect their findings to broader scientific concepts. The Abstract Rubric then holds students accountable to these expectations by defining what high-quality CER looks like, promoting clarity, depth of explanation, and scientific accuracy. Together, these resources not only scaffold student learning but also push them toward higher-level thinking, helping teachers cultivate a classroom culture where rigorous scientific communication and evidence-based reasoning are the standard.