Biology

Cells, DNA and evolution: the core ideas of life science. Watch them in this order.

  1. 1
    11:35
    Eukaryopolis - The City of Animal Cells: Crash Course Biology #4

    CrashCourse

    A tour of the animal cell, the basic unit of life.

  2. 2
  3. 3
    14:02
    Cellular Respiration: Do Cells Breathe?: Crash Course Biology #27

    CrashCourse

    Cellular respiration: how cells turn food into energy.

  4. 4
    13:04
    Photosynthesis: The Original Solar Power: Crash Course Biology #28

    CrashCourse

    Photosynthesis, the original solar power.

  5. 5
    12:47
    DNA Structure & Replication: Our Instruction Manual for Existing: Crash Course Biology #33

    CrashCourse

    DNA structure and replication: the instruction manual for life.

  6. 6
  7. 7
    11:48
    Intro to Genetics: Why Your Cat Looks Like That: Crash Course Biology #31

    CrashCourse

    Genetics: why offspring look like their parents (and their cats look like theirs).

  8. 8
    13:58
    Intro to Evolution: What We Can Learn From a Giraffe's Neck: Crash Course Biology #11

    CrashCourse

    Evolution, the idea that makes sense of all of biology.

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