TOTALLY UPDATED FOR 2025-26!
NOW WITH EXPANDED ARTICLES, NEW HYPOTHETICALS, SLIDE DECKS, AND FULL LECTURE NOTES!

We heard you! This edition delivers more depth in every article, powerful new hypotheticals, and reflection questions redesigned to connect directly to students' lives. Each lesson now has fewer but more impactful prompts -- perfect for sparking meaningful discussions. Plus, every lesson includes a ready-to-use slide deck and lecture notes, making this workbook truly ready to teach from day one.

This workbook is massive: 423 pages packed with 25 complete biology lessons, guided notes, vocabulary, lecture notes, and reinforcement activities. It also includes complete answer keys for guided notes, crosswords, and word searches. (Student/classroom workbook only -- "no answer key" edition also available on Amazon.)

Why teachers love 25x: Biology:

• Brings clarity to complex biology topics

• Connects lessons to everyday life and career pathways

• Uses reflection questions that make science personal and relevant

• Includes lecture notes and slide decks to support instruction

• Keeps students engaged with hypotheticals, puzzles, and guided notes

Each lesson includes:

• An article written for high school students

• Guided notes for active learning

• Impactful reflection questions linked to students' lives

• Hypotheticals to spark critical thinking

• 14 key vocabulary terms

• A crossword puzzle and word search for reinforcement

• A ready-to-teach slide deck

• Lecture notes and full answer keys

Table of Contents
25x Biology - Volume 1

X. What is Biology?

Unit 1: Foundations of Life and Cell Structure

• Lesson 1: Characteristics of Life - HS-LS1-2

• Lesson 2: Water and Macromolecules - HS-LS1-6

• Lesson 3: Enzymes - HS-LS1-1

Unit 2: Cell Structure and Function

• Lesson 4: Cell Theory and Types of Cells - HS-LS1-2

• Lesson 5: Cell Organelles and Functions - HS-LS1-2

• Lesson 6: Cell Cycle - HS-LS1-4

Unit 3: Energy and Metabolism

• Lesson 7: Photosynthesis - HS-LS1-5

• Lesson 8: Cellular Respiration - HS-LS1-7

• Lesson 9: Aerobic and Anaerobic Respiration - HS-LS1-7

• Lesson 10: Fermentation - HS-LS1-7

Unit 4: Molecular Biology and Gene Expression

• Lesson 11: Structure and Function of DNA and RNA - HS-LS1-1

• Lesson 12: DNA Replication - HS-LS1-1

• Lesson 13: Protein Synthesis - HS-LS1-1

• Lesson 14: Meiosis - HS-LS1-4

• Lesson 15: Inheritance - HS-LS3-1

• Lesson 16: Mendelian Genetics - HS-LS3-2

• Lesson 17: Mutations - HS-LS3-2

Unit 5: Evolution

• Lesson 18: Evolution and Natural Selection - HS-LS4-2

• Lesson 19: Population Genetics - HS-LS4-3

• Lesson 20: Mechanisms of Evolution - HS-LS4-4

Unit 6: Ecology

• Lesson 21: Ecology and Energy Flow - HS-LS2-3

• Lesson 22: Population Ecology - HS-LS2-1

• Lesson 23: Biogeochemical Cycles - HS-LS2-3

• Lesson 24: Symbiosis and Species Interactions - HS-LS2-8

• Lesson 25: Ecological Succession - HS-LS2-7

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• Publication Date: September 14, 2025
• Text-to-Speech: Disabled
• Lending: Disabled
• File Size: 511 KB