Exam Sprint Sign in

Home Lessons Quick lessons Courses Ask Merit AI Tutors Merit Tutors' Videos

Study tools

Tonight's planPlus Exam Sprint My schedulePlus ProgressPlus

Exam Sprint

Your exam, planned day by day.

Free diagnostic in 10 minutes.

Lessons for what you're learning in class. Merit Plus suggests videos for what you're learning in class. Free for your first month.

Sign in to save lessons, track topics, and get a study plan.

Popular courses AP Calculus BC AP United States History AP Physics 1: Algebra-Based AP Computer Science A AP Environmental Science AP Precalculus AP Statistics

Top channels

Heimler's History

The Organic Chemistry Tutor

Michael Porinchak - AP Statistics & AP Precalculus

Pricing For teachers How ranking works About Merit

About Privacy Terms

Videos play on YouTube. AP® and SAT® are trademarks of the College Board, which is not affiliated with Merit.

© 2026 Merit

Home Lessons Courses Ask AI Tutors Plan Sprint You

Courses›Sciences

AP Biology

From cells to ecosystems, taught through the four big ideas: evolution, energetics, information storage, and systems interactions.

Search AP Bio

8 units18 topics898 videosExam: May

Start: Properties of Water Find a tutor Exam Sprint

Course outline All videos

ATP & Respiration: Crash Course Biology #7

12M views on YouTube · 14 years ago

AP Bio · Cellular Respiration

Protein Synthesis: Transcription and Translation (Updated)

11M views on YouTube · 8 years ago

AP Bio · Transcription and Translation

Photosynthesis: Crash Course Biology #8

9.2M views on YouTube · 14 years ago

AP Bio · Photosynthesis

Cellular Respiration (UPDATED)

7.6M views on YouTube · 5 years ago

AP Bio · Cellular Respiration

Photosynthesis (UPDATED)

6.1M views on YouTube · 5 years ago

AP Bio · Photosynthesis

Photosynthesis | The Dr. Binocs Show | Learn Videos For Kids

5.5M views on YouTube · 11 years ago

AP Bio · Photosynthesis

Transcription and Translation: From DNA to Protein

Professor Dave Explains

4.9M views on YouTube · 10 years ago

AP Bio · Transcription and Translation

Properties of Water

4.8M views on YouTube · 10 years ago

AP Bio · Properties of Water

(OLD VIDEO) Cellular Respiration and the Mighty Mitochondria

4M views on YouTube · 11 years ago

AP Bio · Cellular Respiration

Photosynthesis

Bozeman Science

4M views on YouTube · 14 years ago

AP Bio · Photosynthesis

(OLD VIDEO) Photosynthesis and the Teeny Tiny Pigment Pancakes

3.3M views on YouTube · 12 years ago

AP Bio · Photosynthesis

Introduction to cellular respiration | Cellular respiration | Biology | Khan Academy

3.3M views on YouTube · 16 years ago

AP Bio · Cellular Respiration

DNA replication and RNA transcription and translation | Khan Academy

3.2M views on YouTube · 11 years ago

AP Bio · Transcription and Translation

Cellular Respiration

Bozeman Science

3M views on YouTube · 14 years ago

AP Bio · Cellular Respiration

Overview of glycolysis | Cellular respiration | Biology | Khan Academy

2.4M views on YouTube · 16 years ago

AP Bio · Cellular Respiration

Transcription and Translation - Protein Synthesis From DNA - Biology

The Organic Chemistry Tutor

2.4M views on YouTube · 8 years ago

AP Bio · Transcription and Translation

Cell Organelles and Structures Review

2.3M views on YouTube · 2 years ago

AP Bio · Cell Organelles

Photosynthesis

2.2M views on YouTube · 16 years ago

AP Bio · Photosynthesis

Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology #2

2M views on YouTube · 13 years ago

AP Bio · Population Ecology

Transcription and Translation

Bozeman Science

1.9M views on YouTube · 14 years ago

AP Bio · Transcription and Translation

Population Genetics: When Darwin Met Mendel - Crash Course Biology #18

1.8M views on YouTube · 14 years ago

AP Bio · Hardy-Weinberg Equilibrium

Hardy-Weinberg Equilibrium

1.7M views on YouTube · 6 years ago

AP Bio · Hardy-Weinberg Equilibrium

Photosynthesis - Light Dependent Reactions and the Calvin Cycle

The Organic Chemistry Tutor

1.5M views on YouTube · 6 years ago

AP Bio · Photosynthesis

Photosynthesis and Respiration

Bozeman Science

1.3M views on YouTube · 15 years ago

AP Bio · Photosynthesis