Grade 12 Biology Course Information Categories: Academics, Biology, Grade 12 Course Instructor Gudeta Kedir Author Welcome FREE UNIT 1 Microorganisms G 12 Lesson 1 Protozoa, Fungi, Some Algae and Viruses G12 Lesson 2 Bacteria- nature of bacteria, Classification- shape based G12 Lesson 3 Gram staining G12 Lesson 4 Differences between Gram negative and Gram positive Bacteria UNIT 2 Ecology This section does not have any lessons. Unit 3 Genetics This section does not have any lessons. Unit 4 Evolution This section does not have any lessons. Unit 5 Behaviour This section does not have any lessons.