<p>PRE AP BIOLOGY 100 – 150 Multiple Choice SEMESTER 1 REVIEW SHEET 20-30 STAAR QUESTIONS MRS. VINKLAREK 4 ESSAYS</p><p>CH. 1 – The Study of Life </p><p>1. Define biology. 2. All living things are composed of this. 3. Maintaining a balance within cells and the environment is called what? 4. Making more of ones kind is called? 5. Define hypothesis. 6. Define experiment. 7. Variable that is measured during an experiment is called what? 8. What are the steps in the scientific method? 9. Unifying explanation for a broad range of observation is known as? 10. List the 8 characteristics of living things and define each.</p><p>Chapter 2, 3 & 4 – Ecology & Ecosystems</p><p>1. What is an ecosystem? 2. Define symbiosis and the 4 types. 3. What are biotic factors? Abiotic factors? 4. What are limiting factors? 5. What is carrying capacity within an ecosystem? 6. What is the difference between a food chain and food web? 7. Identify producers and consumers. 8. What are herbivores, carnivores and omnivores? 9. What are decomposers? Detritivores? 10. What are trophic levels? 11. What happens to energy as it is passed from producers to consumers? 12. How do chemicals cycle through ecosystems? 13. What are natural ways in which an ecosystems stability might be disrupted? 14. What are human influenced ways in which an ecosystem’s stability might be disrupted? 15. What is the sequence of events that occurs during primary and secondary succession? 16. What are the differences between primary and secondary succession? 17. Identify the major biomes of the world.</p><p>Chapter 6 – Chemistry in Biology</p><p>1. Define the 7 types of organic compounds and give an example of each. 2. Identify types of reagents (indicator solution) for organic compounds. 3 Name the two types of nucleic acids. 4. Define DNA and discuss its structure. 5. Define enzymes. 6. Why is water polar?</p><p>Chapter 7 - Cell Structure & Function 1. Review metrics. 2. Review the microscope and these terms: resolution, objectives, total magnification. 3. Name the smallest unit of life. 4. List the levels of organization. 5. Define surface area and how it relates to cell size. 6. Label and plant and animal cell and know each organelles function. 7. List the differences between plant and animal cells. 8. Define prokaryotes and eukaryotes. 9. Define diffusion. 10. Define osmosis. 11. Distinguish between hypotonic, hypertonic and isotonic solutions. 12. Define active and passive transport and give examples.</p><p>Chapter 8 – Cellular Energy </p><p>1. What is the main source of energy for all living things? 2. Define heterotrophs. 3. Define autotrophs. 4. Define ATP. 5. Review process of photosynthesis and cellular respiration. Know the reactants and products of each process. Where do these processes occur? 6. Name and describe the stages of photosynthesis. 7. Name and describe the stages of cellular respiration. 8. Identify the reagent(indicator solution) for carbon dioxide.</p><p>Chapter 9 – Cellular Reproduction</p><p>1. Why must cells maintain a higher ratio of surface area to volume? 2. What are the primary stages of the cell cycle? 3. What are the stages of interphase? 4. Define mitosis. 5. List the 5 stages of mitosis and describe what’s occurring in each. 6. What is cytokinesis? 7. What is apoptosis? 8. Define cancer and how it relates to the cell cycle. 9. What is a stem cell? 10. List and describe 2 types of stem cells.</p>