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8 Total Units
68.3% Pass Rate
6/10 Difficulty Rating

AP Biology Curriculum

Click on any unit to access videos, notes, flashcards, assessments, and more!

In Progress

Unit 1: Chemistry of Life

8%-11% of Exam Score

Easy 6 Chapters
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Not Available

Unit 2: Cell Structure & Function

10%-13% of Exam Score

Easy 10 Chapters
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Not Available

Unit 3: Cellular Energetics

12%-16% of Exam Score

Hard 7 Chapters
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Not Available

Unit 4: Cell Communication and Cell Cycle

10%-15% of Exam Score

Hard 7 Chapters
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Not Available

Unit 5: Heredity

8%-11% of Exam Score

Easy 5 Chapters
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Not Available

Unit 6: Gene Expression and Regulation

12%-16% of Exam Score

Easy 8 Chapters
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Not Available

Unit 7: Natural Selection

13%-20% of Exam Score

Easy 13 Chapters
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Not Available

Unit 8: Ecology

10%-15% of Exam Score

Easy 7 Chapters
View Unit
View Comprehensive Curriculum

External Resources

Tutor's top picks for resources | Click a heading to learn more

BioBuddy

Free | Detailed videos and explanations from a certified biologist!

AP Bio Penguins

Free | Many practice FRQ's, MCQ's, quizziz, one-pagers, and more!

Knowt

Free | MCQ's, FRQ's, study guides, and one free mock AP exam.

Barrons AP Biology

$24.45 | Packed with extensive reviews and practice exams.

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