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Name Class Date Skills Worksheet Directed Reading Section: Introduction to Kingdoms and Domains Complete each statement by writing the correct term or phrase in the space provided. 1. Organisms in the kingdom have cell walls made of chitin. are eukaryotic and 2. Organisms in the kingdom in their cell walls and are prokaryotes. have no peptidoglycan 3. Animals have no cells walls, are multicellular and heterotrophic, and are of the cell type. Read each question, and write your answer in the space provided. 4. Describe the cell walls of bacteria. 5. Describe gene structure and transcription in bacteria. 6. Where are bacteria found? 7. What impact do bacteria have on humans? Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Biology 1 Introduction to the Kingdoms of Life Name Class Date Directed Reading continued Complete each statement by underlining the correct term or phrase in the brackets. 8. Archaebacteria [have / do not have] peptidoglycan in their cell walls. 9. Methanogens are found in [the mud of swamps / very salty lakes]. 10. [Thermophiles / Halophiles] are species of archaebacteria that live in very hot water. Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Biology 2 Introduction to the Kingdoms of Life