A complete collection of OCR Gateway Biology PowerPoints designed to support clear, specification-aligned teaching. Each presentation breaks down key content into student-friendly explanations, diagrams, keywords, and step-by-step processes. Exam-style questions, recall tasks, and challenge activities are included throughout to reinforce learning and check understanding. These resources are ideal for lesson delivery, revision, or independent study, helping teachers save planning time while ensuring consistent coverage of the OCR Gateway Biology course.