5. Which is the correct sequence of focusing an onion celt under the low power objective? 1. Prepare the onion scale 3. Put the slide on the stage III. Watching from the side, carefully lower the body tube until the end of the LPO almost touches the cover slip. IV. Examine the onion skin slide under the low power objective (LPO). A. I, II, III. & IV B. H. M. V. & 1 C. IV, I, III, & 11 D. III, I, I, & II 6. The circle below represents the field of view of the microscope. The square represents the plant cell being viewed and the star represents the center. If you would be asked to bring the image of this specimen to the center, how will you move the slide? A. away from you B. fowards you C. to the right D. to the left 7. Which levels of organization is arranged from smallest to largest? A cell-tissue-organ-system-organism-population-community-ecosystem-biosphere B. cell-organ-tissue-system-population organism-ecosystem-biosphere-community C. biosphere-ecosystem-community-population-organism-system-organ-tissue-cell D. community-ecosystem-population-cell-tissue-organ-system-organism-biosphere For question number 10. Figures below show different biological organization. Fill out the arrows provided and describe each. NC 8. Which of the following differentiates organs from tissues? A. Organs and tissues are made up of cells. C. Tissues make up the organs; cells make up the tissues. B. Organs and tissues make up an organ system. D. Organs make up the tissues; tissues make up the organs. 9. Which statement describes how citculatory and digestive system work together? A. The primary function of the circulatory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste product while digestive system transport blood to the body. B. The circulatory system transport blood and nutrients, it is also the nutrients made by the digestive system. C. Through circulatory system, the oxygen enters the body and then it is transported as of hemoglobin to the cells with the help of cardiovascular system. D. The circulatory system also performs the work to transport the waste product carbon dioxide to digestive system that evacuates it. 10. Which statement can explain why cells are the basic structure of life? A. All materials found in earth are made up of cells. B. In the biological hierarchy cells is the building block of life. C. Base on the theory of spontaneous generation cells comes from inanimate objects. D. All of the choices are correct.​