25x: Biology: Color Student Workbook (No answer keys, no lecture notes) (25x High & Middle School Science Series) Paperback – September 15, 2025

TOTALLY UPDATED FOR 2025–26! FULL-COLOR STUDENT WORKBOOK!NOW IN FULL COLOR WITH EXPANDED ARTICLES, NEW HYPOTHETICALS, SLIDE DECKS, AND LECTURE NOTES!We heard you! This edition is built for students who want biology to feel alive, relevant, and easy to connect with. Every article has been expanded for clarity, every hypothetical has been designed to make you think, and every reflection question links biology directly to your own life. With fewer but more powerful prompts, each lesson gives you a chance to dive deeper, ask better questions, and see how science shapes your world.This full-color workbook is packed with 423 pages of interactive learning—including 25 complete biology lessons, guided notes, vocabulary, lecture notes, and activities that keep you engaged. You’ll also get built-in practice with crosswords, word searches, and hypotheticals to make learning more fun and memorable.Why students love 25x: Biology:Makes even the toughest topics clear and approachableConnects science concepts to real life and future careersUses reflection questions that actually matter to youKeeps learning active with guided notes, puzzles, and hypotheticalsBrings biology to life with full-color graphics and visualsEach lesson includes:An article written for high school studentsGuided notes for active learningReflection questions that connect to your lifeHypotheticals to spark curiosity and deeper thinking14 key vocabulary termsA crossword puzzle and word search for reviewA ready-to-use slide deck for classroom supportFull lecture notes and answer keys (teacher/classroom version)Table of Contents25x Biology – Volume 1X. What is Biology?Unit 1: Foundations of Life and Cell StructureLesson 1: Characteristics of Life – HS-LS1-2Lesson 2: Water and Macromolecules – HS-LS1-6Lesson 3: Enzymes – HS-LS1-1Unit 2: Cell Structure and FunctionLesson 4: Cell Theory and Types of Cells – HS-LS1-2Lesson 5: Cell Organelles and Functions – HS-LS1-2Lesson 6: Cell Cycle – HS-LS1-4Unit 3: Energy and MetabolismLesson 7: Photosynthesis – HS-LS1-5Lesson 8: Cellular Respiration – HS-LS1-7Lesson 9: Aerobic and Anaerobic Respiration – HS-LS1-7Lesson 10: Fermentation – HS-LS1-7Unit 4: Molecular Biology and Gene ExpressionLesson 11: Structure and Function of DNA and RNA – HS-LS1-1Lesson 12: DNA Replication – HS-LS1-1Lesson 13: Protein Synthesis – HS-LS1-1Lesson 14: Meiosis – HS-LS1-4Lesson 15: Inheritance – HS-LS3-1Lesson 16: Mendelian Genetics – HS-LS3-2Lesson 17: Mutations – HS-LS3-2Unit 5: EvolutionLesson 18: Evolution and Natural Selection – HS-LS4-2Lesson 19: Population Genetics – HS-LS4-3Lesson 20: Mechanisms of Evolution – HS-LS4-4Unit 6: EcologyLesson 21: Ecology and Energy Flow – HS-LS2-3Lesson 22: Population Ecology – HS-LS2-1Lesson 23: Biogeochemical Cycles – HS-LS2-3Lesson 24: Symbiosis and Species Interactions – HS-LS2-8Lesson 25: Ecological Succession – HS-LS2-7 Read more