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Grade 8 Science - Unit 4 Review Chapter 10: The Cell is the Basic Unit of Life AND Chapter 11: The Human Body Study Guide Terms: cell objective lens coarse adjustment knob light source/lamp base arm compound microscope cell wall chloroplast nucleus mitochondria mitosis organ eyepiece stage fine adjustment know iris diaphragm barrel (tube) revolving nose piece organelle cell membrane cytoplasm vacuole cell theory tissue system Questions: 1. What are the FOUR main characteristics of living things? 2. What are all living cells made up of? 3. (a) (b) How should a microscope be carried? List 3 DO’s in using a microscope. List 3 Don’ts in using a microscope. 4. What is meant by the magnification power of a lens? List the THREE main object lens and their magnifications. 5. List the parts of a compound microscope and explain their functions. 6. (a) (b) What is meant by a microscopes field of view? What happens to the field of view as the magnification of a microscope increases? What happens when the field of view as the magnification of a microscope decreases? 7. List and briefly explain the THREE main steps in preparing a wet mount slide. 8. List the major organelles of a plant and animal cell AND explain their functions. 9. Compare and contrast the plant and animal cell (Hint – use a Venn Diagram). 10. What are the THREE parts of the cell theory? 11. Why do cells (unicellular and multicellular) divide? 12. Explain the process of mitosis. 13. What are daughter cells? 14. How do cells get energy? 15. What are the organizational levels, starting with the smallest, the cell? 16. Have a general understanding of the 6 human body systems we have studied in detail in this unit. Be able to identify the main organs and function of the systems. 17. Be able to explain at least 3 of the 6 human body systems (in detail) and explain with respect to the following: - The main organs and tissues of the system - Function of the system 18. Be able to identify how the following systems work together and depend on one another : - Circulatory and Respiratory Nervous and Muscular Digestive and Circulatory