CHAPTER 1 Kingdoms of Life Lesson 2: Classifying Living Things How are living things classified? to classify living things their traits, or characteristics, must be studies examples: how they get food, how they reproduce, how they move A kingdom is the largest group a living organism can be put into six different kingdoms: archaea, bacteria, protists, fungi, plants, animals all organisms will share same basic traits 4 traits used: number of cells, nucleus, food, movement from place to place Additional Vocabulary: classify – put things that share properties into groups How are organisms grouped within a kingdom? What kind of organisms only have one cell? bacteria and archaea do not have a nucleus most protists have a nucleus algae some fungi have traits of both plants and animals have a nucleus yeast Additional Vocabulary: microorganism – living things too small to be seen just with the eye