Chapter Test A. It s Alive!! Or Is It? MULTIPLE CHOICE

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Annabelle Gaines
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1 Assessment Chapter Test A It s Alive!! Or Is It? MULTIPLE CHOICE Write the letter of the correct answer in the space provided. 1. Which of the following is NOT a characteristic that all organisms share? ALVs1 a. ability to taste and smell b. ability to use energy c. ability to grow and develop d. ability to sense and respond to change 2. What molecules form much of the cell membrane? ALVs2 a. nucleic acids b. amino acids c. ATP molecules d. phospholipids 3. What molecule is the major energy carrier in the cell? ALVs2 a. nucleic acid b. ATP c. phospholipid d. lipid 4. What type of molecule is DNA? ALVs2 a. an amino acid b. a protein c. a lipid d. a nucleic acid 5. Which of the following reproduces through asexual reproduction? ALVs1 a. humans b. hydra c. fish d. birds 6. What do gravity, sounds, and light have in common? ALVs1 a. They are necessary for survival. b. They are characteristics of life. c. They are experiences all organisms share. d. They are examples of stimuli. Holt Science and Technology 39 It s Alive!! Or Is It?

2 7. Maintaining stable internal conditions is called ALVs1 a. shivering. b. sweating. c. homeostasis. d. heredity. 8. Approximately how much of the human body is water? ALVs2 a. 10% b. 33 1/3% c. 50% d. 70% 9. What happens when organisms reproduce? ALVs1 a. They grow and develop. b. They sense change in their environment. c. They maintain a stable internal environment. d. They make organisms similar to themselves. 10. What is passing genetic traits from parents to offspring called? a. homeostasis ALVs1 b. sexual reproduction c. heredity d. metabolism 11. Which of the following is NOT a basic need of most organisms? ALVs2 a. food b. plants c. air d. water 12. What do most of the chemical reactions involved in metabolism require? ALVs2 a. water b. carbohydrates c. phospholipids d. carbon dioxide Holt Science and Technology 40 It s Alive!! Or Is It?

3 MATCHING Match the correct description with the correct term. Write the letter in the space provided. ALVs2 13. table sugar ALVs2 14. organisms that eat plants ALVs2 15. organisms that feed on decaying organisms ALVs2 16. a potato ALVs2 17. organisms that make their own food 18. a kind of reproduction in which an offspring shares characteristics of two parents ALVs1 19. a kind of reproduction in which an offspring is identical to its parent. ALVs1 a. consumers b. asexual reproduction c. decomposers d. a simple carbohydrate e. producers f. a complex carbohydrate g. sexual reproduction Holt Science and Technology 41 It s Alive!! Or Is It?

4 Match the correct description with the correct term. Write the letter in the space provided. 20. compounds like fats and oils that store energy ALVs2 21. compound to which carbohydrates and lipids transfer their energy ALVs2 22. small molecules that make up proteins ALVs2 23. a molecule that contains all the information a cell needs to make protein ALVs2 24. the sum of all of an organism s chemical processes ALVs1 a. lipids b. proteins c. amino acids d. metabolism e. ATP f. nucleic acid 25. compounds that spider webs and hair are made from ALVs2 Holt Science and Technology 42 It s Alive!! Or Is It?

5 TEACHER RESOURCE PAGE 2. Answers will vary. Sample answer: To see if Alpha responds to change, I will present it with different stimuli, such as bright lights and chemicals, to see if it reacts. If it does, the results will help show that Alpha is alive. If it doesn t, I ll know that it is not alive. 3. Answers will vary. Sample answer: I ll need to provide Alpha with the necessities of life: food (or an energy source so Alpha can make its own food), water, air, and a place to live. BUILDING BLOCKS Nucleic Acids: G, K, L, N Carbohydrates: B, M, P, Q Lipids: A, C, D, J, Q ATP: F, R, S Proteins: E, H, I, O Critical Thinking 1. Answers will vary. Sample answer: I would bring a high-powered microscope. A microscope can help determine whether something has DNA and/or is made of cells, whereas the other four criteria for life can be observed with the unaided eye. 2. Answers will vary. Sample answer: First I would use my microscope to look for evidence of cells and DNA. Then I would observe the forms for growth, energy use, reproduction, and response to change. 3. Answers will vary. Sample answer: The objects were once living organisms or were once a part of a living organism. 4. Answers will vary. Sample answer: No. I can only conclude that life may have existed on Diaz at one time. To conclude that life currently exists, I would need to find an organism with all six characteristics of life. 5. Answers will vary. Sample answer: robots, computers, etc. Section Quizzes SECTION: CHARACTERISTICS OF LIVING THINGS 1. E 5. D 2. G 6. A 3. F 7. B 4. C SECTION: THE NECESSITIES OF LIFE 1. G 6. H 2. F 7. D 3. I 8. E 4. A 9. C 5. B Chapter Test A 1. A 14. A 2. D 15. C 3. B 16. F 4. D 17. E 5. B 18. G 6. D 19. B 7. C 20. A 8. D 21. E 9. D 22. C 10. C 23. F 11. B 24. D 12. A 25. B 13. D Chapter Test B 1. phospholipid 2. asexual 3. nucleic acids 4. heredity 5. metabolism 6. A 7. B 8. A 9. B 10. D 11. C 12. Answers will vary. Sample answer: All living things are composed of one or more cells. They all sense change in their environment and have the ability to respond to change. All living things reproduce organisms similar to themselves. All living things have DNA. They all use energy. They all grow and develop during periods of their lives. Holt Science and Technology 84 It s Alive!! Or Is It?

LIFE SCIENCE CHAPTER 2 FLASHCARDS

LIFE SCIENCE CHAPTER 2 FLASHCARDS Which of the following is NOT a characteristic that all organisms share? A. ability to taste and smell B. ability to grow and develop C. ability to use energy D. ability