Show a group of pictures of a group of living organisms - The students classify them according to their similarities - Ask the students about the criterion used for the classification process - Then the students define the classification according to what they understood from the explanation - Explain the scientific concept of the classification process - Living organisms are divided into two groups according to the presence of a nuclear envelope and membrane-bound organelles - Mention some of the scientists who carried out the classification process and the role of each of them in classifying living organisms. Dividing living things into three groups according to the superkingdom Then divide living organisms according to kingdoms into six kingdoms.