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  1. www.khanacademy.orgKhan Academy | Free Online Courses, Lessons & Practice

    Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more. It’s all free for learners and teachers.

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      Login - Khan Academy | Free Online Courses, Lessons &...

    • Math

      This Grade 7 Math course, aligned with Texas TEKS standards,...

    • SAT Prep

      Students will continue to be able to use Khan Academy’s...

    • Sign Up

      Sign Up - Khan Academy | Free Online Courses, Lessons &...

    • Computer Programming

      Math: Get ready courses; Get ready for 3rd grade; Get ready...

    • Algebra 1

      The Algebra 1 course, often taught in the 9th grade, covers...

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      Venha para a Khan Academy e aprenda com a gente Faça o login...

    • Science

      Learn high school biology using videos, articles, and...

  2. www.khanacademy.org › scienceScience - Khan Academy

    Learn high school biology using videos, articles, and TEKS-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.

  3. www.ibiology.orgiBiology | Free Biology Videos, Lectures, and Online Courses

    Learn from world class scientists with 600+ biology videos including lectures, talks, animations & professional development courses.

  4. ocw.mit.edu › courses › 7-016-introductory-biology-fall-2018Lecture Videos | Introductory Biology - MIT OpenCourseWare

    This page contains all available video captures for the MIT course 7.016 Introductory Biology of Fall 2018.

  5. thecrashcourse.com › topic › biologyBiology - Crash Course

    Crash Course Biology Preview. In 50 episodes, Dr. Sammy Ramsey will teach you biology, the science of life. This course is based on an introductory-level college and AP Biology curriculum.

  6. brilliant.orgBrilliant | Learn interactively

    Whether you’re a complete beginner or ready to dive into machine learning and beyond, Brilliant makes it easy to level up fast with fun, bite-sized lessons.

  7. oli.cmu.edu › courses › introduction-to-biology-open-freeIntroduction to Biology — Open & Free – OLI

    Introduction to Biology — Open & Free. An approach to Biology that helps students understand themselves and their environment. Learn about Open & Free OLI courses by visiting the “Open & Free features” tab below. ENTER OPEN & FREE COURSE. Categories: All Course Materials (independent learners), Life Sciences (independent learners) Description.