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Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life.
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High school biology. NEW. High school chemistry. NEW. High school physics. NEW. Hands-on science activities. NEW. AP®︎/College Biology; AP®︎/College Chemistry; ... Up to 2nd grade (Khan Kids) 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade reading and vocab. NEW. 7th grade reading and vocab. NEW. 8th grade reading and vocab. NEW.
Learn high school biology using videos, articles, and NGSS-aligned practice. Explore the fundamentals of cells, organism growth and development, photosynthesis and cellular respiration, molecular and classical genetics, natural selection and evolution, biodiversity and human impacts, and ecology.
If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Middle school biology; Middle school Earth and space science; Middle school physics; High school biology. NEW. High school chemistry. NEW. High school physics. NEW. ... Khan Academy is a 501(c)(3) nonprofit organization. Donate or volunteer today! Site Navigation. About. News; Impact; Our team; Our interns; Our content specialists; Our leadership;
Khan Academy offers free online courses, lessons, and practice in various subjects including math, science, and more for learners of all ages.
Welcome to High School Biology! In this course, we will explore the beauty of life, from tiny cells to complex ecosystems. We'll explore organism structure, cellular energy, genetics, evolution, ecology, and more, sparking curiosity and fostering a lifelong love for biology—the study of life.
Middle school biology; Middle school Earth and space science; Middle school physics; High school biology. NEW. High school chemistry. NEW. High school physics. NEW. ... Khan Academy is a 501(c)(3) nonprofit organization. Donate or volunteer today! Site Navigation. About. News; Impact; Our team; Our interns; Our content specialists; Our leadership;