CK-12 Biology for High School
By CK-12 Foundation
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Curriculum details
- Biology with Lab
- Core curriculum
- Ninth grade
- Aug 5, 2024 - May 30, 2025
- 60 credit hours
About
This is an open source, free online high school biology textbook that includes text, visual media, videos and quizzes. You may access the latest edition of the textbook at flexbooks.ck12.org/cbook/ck-12-biology-flexbook-2.0.