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Independent TExES Life Science 7-12 (238) Study Guide — book cover

Complete digital study edition

Independent TExES Life Science 7-12 (238) Study Guide

Complete Content Review, 1000 Practice Questions Across 10 Full-Length Tests and Detailed Explanations to Master Every Domain

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🎧 ~23.3h audiobook🧰 12 study tools✨ AI Study Tutor included🃏 2000 flashcards📝 1000 practice questions

The TExES Life Science 7-12 (238) exam at a glance

What does the TExES Life Science 7-12 (238) exam cover?
The TExES Life Science 7-12 (238) is organized into 6 content areas: Scientific Inquiry and Processes; Cell Structure and Processes; Heredity and Evolution of Life; Diversity of Life; Interdependence of Life and Environmental Systems; Science Learning, Instruction and Assessment.
How many questions are on the TExES Life Science 7-12 (238)?
100 questions, with a time limit of 5 hours.
How should I prepare for the TExES Life Science 7-12 (238)?
Study one content area at a time, practice with exam-style questions and read every explanation, then take full-length timed practice tests. A free readiness test is available at https://prepmasterdigital.com/readiness/independent-texes-life-science-7-12-238-study-guide.

The test is five hours. Your prep should not be.

You have a life. A classroom to run. A future to build. The TExES Life Science 7-12 (238) exam spans six domains, from cell biology to environmental systems. This guide distills everything into a single, focused resource.

Everything you get

One purchase, everything below — no subscriptions, no upsells, no extra fees. Here is exactly what unlocks the moment you buy, and how each part helps you.

1,000

practice questions — every answer explained

2,000

digital flashcards, ready to drill

~23.3h

of professional audio narration

12

downloadable study tools

Complete audiobook — about 23.3 hours

The entire book, professionally narrated. Stream it in your browser or download the MP3s and study on the commute, at the gym, or on a break — so the material sinks in even when you can't sit down to read.

✨

AI Study Tutor — ask this book anything

A tutor that has read this exact book: ask about any topic, get an answer grounded in its own chapters, right on your access page. 5 questions are included free with your purchase, and the tutor upgrade gives you unlimited questions (fair use: 100 a day — write to us and we lift it).

30-Day Study Plan & Tracker

A day-by-day schedule that breaks the entire blueprint into manageable blocks, with a progress tracker to keep you on pace.

Key Concepts Quick-Reference Sheet

A one-page digest of the most-tested terms and processes across all six domains, perfect for last-minute review.

Question-Type Decoder

A guide to the common question formats on the exam, with strategies for approaching each one effectively.

Time Management Protocol Cards

Printable cards with pacing strategies and checkpoints to help you allocate your five hours wisely.

Domain-by-Domain Self-Assessment Checklist

A detailed checklist to rate your readiness in each competency area and pinpoint weak spots.

Mnemonics and Memory Aid Scriptbook

A collection of mnemonics and memory tricks for recalling complex biological processes and terminology.

Test-Day Logistics Checklist

A practical checklist covering what to bring, what to expect, and how to prepare for the testing center experience.

Answer Explanation Decoder

A framework for analyzing answer explanations to learn from mistakes and avoid similar traps.

Vocabulary Builder Workbook

Fill-in exercises to reinforce essential life science vocabulary across all domains.

Explain-It-in-Your-Own-Words Practice Prompts

A set of writing prompts to practice articulating scientific concepts clearly, mirroring constructed-response tasks.

Study Group Discussion Guide

Discussion questions and activities to facilitate productive group study sessions with peers.

Mind Templates for Complex Topics

Printable templates to visually organize relationships between concepts like genetics, ecology, and evolution.

Delivered as a PDF and EPUB you can read on any device, plus downloadable audio and toolkit files. Nothing to install, and your access never expires.

Everything you'll master, chapter by chapter

The complete syllabus of this guide — built on the official exam outline.

Chapter 1: TExES Life Science 238 Orientation and 30-Day Study Plan
  • ▸ Exam Format at a Glance, 100 Questions, Five Hours, and Computer Administration
  • ▸ The Six Content Domains and How They Connect
  • ▸ Building a 30-Day Study Calendar with Weekly Review Cycles
  • ▸ How to Use This Guide and Its Companion Practice Question Set
Chapter 2: Scientific Inquiry and Experimental Design
  • ▸ From Observations to Testable Questions and Falsifiable Hypotheses
  • ▸ Designing Controlled Experiments, Variables, Controls, and Randomization
  • ▸ Data Collection, Error, and Display, Tables, Graphs, and Descriptive Statistics
  • ▸ Scientific Modeling, Conceptual, Mathematical, and Computational Approaches
  • ▸ Ethical and Historical Dimensions, From Germ Theory to Genetic Testing
Chapter 3: Cell Structure and Membrane Transport
  • ▸ Atoms, Bonds, and Macromolecules, The Chemistry of Living Systems
  • ▸ Prokaryotic and Eukaryotic Cells, Organelles, Compartments, and Compartmentalization
  • ▸ Cell Membrane Structure and Passive Transport, Diffusion, Osmosis, and Facilitated Diffusion
  • ▸ Active Transport, Endocytosis, and Exocytosis, Moving Molecules Against Gradients
  • ▸ The Cytoskeleton, Cell Junctions, and Extracellular Matrix, Shaping Tissues
Chapter 4: Cellular Energetics, Communication, and Division
  • ▸ Enzymes, ATP, and the Principles of Metabolic Regulation
  • ▸ Cellular Respiration, Glycolysis, Pyruvate Oxidation, the Krebs Cycle, and Oxidative Phosphorylation
  • ▸ Photosynthesis, Light Capture, the Light Reactions, and the Calvin Cycle
  • ▸ Signal Transduction Pathways and Cellular Responses
  • ▸ The Cell Cycle, Mitosis, and Checkpoint Control
Chapter 5: Molecular Genetics and Principles of Heredity
  • ▸ DNA Structure, Replication, and the Genetic Code
  • ▸ Transcription and Translation, From Gene to Protein
  • ▸ Meiosis, Chromosomal Inheritance, and Independent Assortment
  • ▸ Mendelian and Non-Mendelian Inheritance Patterns, Punnett Squares, Pedigrees, and Linkage
  • ▸ Mutations, Mutagens, and Chromosomal Aberrations, Effects on Phenotype
Chapter 6: Evolution of Life
  • ▸ Lines of Evidence for Evolution, Fossils, Anatomy, Embryology, and Molecular Data
  • ▸ Population Genetics and the Hardy-Weinberg Equilibrium
  • ▸ Mechanisms of Evolutionary Change, Natural Selection, Gene Flow, Genetic Drift, and Mutation
  • ▸ Speciation and Reproductive Isolation, How New Species Arise
  • ▸ Macroevolution, Extinction Events, and the Endosymbiotic Origin of Eukaryotes
Chapter 7: Diversity of Life, Classification and Microorganisms
  • ▸ Taxonomy, Binomial Nomenclature, and Phylogenetic Classification
  • ▸ Bacteria and Archaea, Diversity, Metabolism, and Ecological Roles
  • ▸ Protists, The Paraphyletic World of Eukaryotic Microorganisms
  • ▸ Fungi, Anatomy, Life Cycles, and Decomposition
  • ▸ Viruses, Viroids, and Prions, Noncellular Biological Agents
Chapter 8: Diversity of Life, Plant Structure, Transport, and Reproduction
  • ▸ Plant Tissue Systems, Dermal, Ground, and Vascular Tissues
  • ▸ Root and Shoot Structure, From Meristems to Mature Organs
  • ▸ Water and Sugar Transport, Transpiration, Cohesion-Tension, and Phloem Loading
  • ▸ Plant Reproduction, Alternation of Generations, Flowers, Fruits, and Seeds
  • ▸ Plant Responses and Hormones, Tropisms, Photoperiodism, and Dormancy
Chapter 9: Diversity of Life, Animal Form, Function, and Reproduction
  • ▸ Animal Body Plans, Symmetry, and Tissue Organization
  • ▸ Support and Movement, Skeletal, Muscular, and Integumentary Systems
  • ▸ Integration and Regulation, Nervous, Endocrine, and Immune Systems
  • ▸ Transport and Metabolism, Circulatory, Respiratory, Digestive, and Excretory Systems
  • ▸ Animal Reproduction and Embryonic Development
Chapter 10: Interdependence of Life and Environmental Systems
  • ▸ Biomes, Ecosystems, and the Levels of Ecological Organization
  • ▸ Energy Flow and Trophic Dynamics, Food Chains, Food Webs, and Ecological Pyramids
  • ▸ Biogeochemical Cycles, Carbon, Nitrogen, Phosphorus, and Water
  • ▸ Population Growth Models, Carrying Capacity, and Density-Dependent Controls
  • ▸ Species Interactions and Ecological Succession
  • ▸ Human Impacts, Pollution, Habitat Fragmentation, and Sustainable Resource Use
Chapter 11: Science Learning, Instruction, and Assessment for Life Science
  • ▸ Theories of Student Learning in Science, Constructivism, Conceptual Change, and Development
  • ▸ Inquiry-Based Instruction and the 5E Model for Life Science Lessons
  • ▸ Common Misconceptions in Biology and Interventions That Address Them
  • ▸ Designing Aligned Formative and Summative Assessments for Life Science
Chapter 12: Selected-Response Test Strategies and Exam-Day Readiness
  • ▸ Analyzing Selected-Response Items, Stems, Distractors, and Absolute Language
  • ▸ Time Management and Pacing Strategies for a Five-Hour Computer-Based Exam
  • ▸ Memory Retrieval Tools, Mnemonics, Chunking, and Active Recall
  • ▸ Exam-Day Logistics and Stress Management, Materials, Setup, and Mental Preparation

…plus the full-length practice exams with every answer explained.

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Common questions

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No — this is an independent study guide created to help you prepare. It isn't affiliated with or endorsed by the organization that administers the exam. All names and trademarks belong to their respective owners.

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