All Subjects
      All Types

        Info

        Grades

        9-12

        Permitted Use

        Stream Only


        Part of Crash Course
        Caution

        Contains Adult Language

        24 Favorites
        1326 Views

        Old & Odd: Archaea, Bacteria & Protists | Crash Course Biology #35

        Hank teaches us about the single-celled organisms that make up two of the three taxonomic domains of life and one of the four kingdoms: archaea, bacteria, and protists. They are by far the most abundant organisms on Earth and are our oldest, oddest relatives.

        Find more videos from Crash Course at our collection page here.

        Contributor:

        You must be logged in to use this feature

        Need an account?
        Register Now