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What to Expect on the CLEP Biology Exam

If you're looking to earn college credit for general biology, the CLEP Biology exam is a great way to do it. This test covers the major foundations of biological science, breaking the subject into three core areas: molecular and cellular biology, organismal biology, and population biology—each weighted equally on the exam. With 115 questions to complete in just 90 minutes, time management and a solid grasp of key biological concepts are crucial. You'll need to demonstrate not just factual knowledge but also the ability to interpret data, form hypotheses, and understand the broader implications of science in society. This guide will break down the most important topics, key study strategies, and a structured plan to help you ace the exam.

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3-Week Study Plan for the CLEP Biology Exam

Week 1: Molecular & Cellular Biology

This week focuses on the fundamental building blocks of life, from chemical composition to cellular function and energy processes.

• Days 1-2: Study the chemical composition of organisms, including macromolecules, and compare prokaryotic vs. eukaryotic cells. Label diagrams of organelles and review membrane functions.
• Days 3-4: Learn about enzymes, metabolism, and cellular respiration. Create a flowchart for energy transformations, then compare photosynthesis with cellular respiration.
• Days 5-6: Cover cell division, mitosis, and meiosis by labeling stages. Use flashcards and practice quizzes to reinforce learning.
• Day 7: Light review or rest with optional videos.

Week 2: Organismal Biology

This week covers plant and animal biology, body systems, and reproduction.

• Days 8-9: Study plant structure, nutrition, reproduction, and transport processes. Draw and label key structures.
• Days 10-11: Learn about animal classification, form, and function. Review the nervous, endocrine, and circulatory systems, focusing on how they interact.
• Days 12-13: Study animal reproduction and development, then take a self-test on major body systems.
• Day 14: Light review or rest. Consider summarizing key topics for reinforcement.

Week 3: Population Biology & Evolution

The final week focuses on ecology, evolution, genetics, and review.

• Days 15-16: Study ecological principles, conservation, evolution, and natural selection. Review population growth and Hardy-Weinberg equilibrium.
• Days 17-18: Explore behavioral biology, genetics, human evolution, and genetic engineering. Practice explaining key concepts simply.
• Days 19-20: Take a practice test, review weak areas, and focus on high-weight topics.
• Day 21: Rest, review flashcards, and build confidence before exam day.

Following this structured approach will ensure you cover all major biology topics while reinforcing key concepts for success!

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