Name Date Class. The Study of Life

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1 Chapter Test A CHAPTER 1 The Study of Life Part A: Multiple Choice In the space at the left, write the letter of the term or phrase that best completes each statement or answers each question. Part B: Completion 1. Which would be an activity conducted by a biologist? A. describe the behavior of brown bats B. design a new, solar-powered car C. identify the cause of an earthquake D. teach people how to plant corn 2. The white hair of a polar bear is an example of a(n) A. adaptation. B. development. C. response. D. stimulus. 3. A testable explanation of a situation is called a(n) A. experiment. B. hypothesis. C. inference. D. observation. Check each box to indicate whether or not each question is scientific or non-scientific. Question Scientific Non-Scientific 1. Can HIV be spread by casual contact? 2. Do people have the ability to read minds? 3. Who is the greatest NBA basketball player of all time? 4. What is the most important human invention? 24 The Study of Life CHAPTER 1 Introduction

2 Chapter Test A CONTINUED Part C: Interpreting Drawings and Graphs Safety Symbols A B C D E F Use the illustrations above to respond to the following statement. 1. Identify the safety symbols labeled A F. A. D. B. E. C. F. Use the graph above to respond to the following question. 2. Interpret What is the fish biomass in the Barrens colony at a depth stratum of 10 m? Part D: Short Answer 1. Define biology. Introduction CHAPTER 1 The Study of Life 25

3 Chapter Test A CONTINUED 2. Describe several characteristics organisms share. 3. Define reproduction. Part E: Concept Application 1. Consider how a person who enjoys the beach can act like a biologist. 2. Infer A donkey and a horse can be mated to produce a mule, but mules are sterile and cannot have offspring. Infer whether donkeys and horses should be considered the same species. Explain. 3. Explain why a scientist should welcome scientific data that contradicts a part of the theory of biological evolution. 26 The Study of Life CHAPTER 1 Introduction

4 Chapter Test B CHAPTER 1 The Study of Life Part A: Multiple Choice In the space at the left, write the letter of the term, phrase, or sentence that best answers each question. 1. Which is a biological activity a person can do at the beach? A. experiment with sand erosion patterns B. identify various minerals in the sand C. measure tidal differences during the day D. observe the feeding behaviors of gulls 2. Which activity is an example of the human body striving to maintain homeostasis? A. creating thoughts to solve a difficult problem B. digesting foods to reduce their particle size C. producing sweat to reduce body temperature D. sprinting across a street to avoid oncoming traffic 3. Which is an example of an adaptation? A. bald spots on an old cougar B. new foods found by squirrels C. viruses passed to humans D. white hair of adult polar bears 4. Which is considered a non-scientific question? A. Are humans able to read minds? B. How do chimpanzees communicate? C. Who was the greatest scientist? D. Why are ocean temperatures increasing? 5. Which is the metric unit for the amount of a substance? A. ampere B. kelvin C. mole D. pound Part B: Matching and Completion Matching Write the letter of the correct term on the line next to its description. Answers may be used only once or not at all. 1. an explanation of a natural event that is supported by a large body of observations and investigations 2. a testable explanation for an unknown situation 3. an assumption based on prior experiences A. hypothesis B. inference C. serendipity D. theory Introduction CHAPTER 1 The Study of Life 27

5 Chapter Test B CONTINUED Completion Write the correct term in the blank to complete each sentence below. 4. The study of life is called. 5. A bolt of lightning striking the ground beside a white-tailed deer would be an example of a(n). 6. A blue whale s constant body temperature is part of its body s efforts to maintain. 7. Areas of study that try to mimic science for cultural or commercial gain are called. Part C: Interpreting Drawings and Graphs Safety Symbols A B C D E F G H I Use the illustrations above to respond to the following statement. 1. Identify the safety symbols labeled A I. A. F. B. G. C. H. D. I. E. Use the graph to respond to the following statement. 2. Contrast the fish masses in the Barrens and Kachemak colonies at a depth stratum of 10 m. 28 The Study of Life CHAPTER 1 Introduction

6 Chapter Test B CONTINUED Part D: Short Answer 1. Discuss several ways biologists seek to improve the quality of human life. 2. Explain the basic components of the scientific methods used by biologists. 3. Contrast the control group and experimental group in an experiment. Part E: Concept Application 1. List the criteria astronauts would use to determine if they have or have not discovered an organism on a distant world. 2. Infer why astrology is not considered a legitimate science. 3. Differentiate between quantitative and qualitative data that could be collected about the effects of pesticides on aquatic organisms. Introduction CHAPTER 1 The Study of Life 29

7 Chapter Test C CHAPTER 1 The Study of Life Part A: Multiple Choice In the space at the left, write the letter of the term, phrase, or sentence that best completes each statement or answers each question. 1. Which is an example of a stimulus and the accompanying response of an organism? A. A hawk grabs a branch to gain a perch. B. A rat scurries past, and a python strikes at it. C. A wildebeest crosses a river during migration. D. An earthworm burrows into new, rich soil. 2. Which helps maintain a dog s homeostasis? A. eating C. panting B. hunting D. sleeping 3. Which should a scientist conclude about data that are inconsistent with the current, scientific understanding of amphibian reproduction? A. A new idea or theory should be devised to fit the new data. B. Inconsistencies in the data warrant further investigation. C. The data are flawed and should be discarded or ignored. D. The data reflect the flaws in the current, scientific ideas. 4. Which is the metric unit for thermodynamic temperature? A. ampere C. kelvin B. candela D. mole Part B: Completion 5. Which defines a hypothesis? A. accepted idea C. observed inference B. educated guess D. testable explanation 6. Biologists would repeat the same investigation several times to A. form a new theory. C. obtain consistent data. B. get the correct results. D. prove their hypothesis. Write the correct term in the blank to complete each sentence below. 1. The systematic study of the biosphere s organisms is called. 2. The basic unit of structure for all organisms is called the. 3. Tiger stripes that camouflage the animal in dry grass and shadows are an example of a(n). 4. The metric system is commonly called the. 5. The development of a new antibiotic from years of research on E. coli bacteria is an example of a(n). 30 The Study of Life CHAPTER 1 Introduction

8 Chapter Test C CONTINUED 6. The average volume of the eggs laid by a California condor is an example of data that is. Part C: Interpreting Drawings and Graphs Safety Symbols A B C D E F G H I J K L M N O P Use the illustrations above to respond to the following statement. 1. Identify the safety symbols labeled A P. A. I. B. J. C. K. D. L. E. M. F. N. G. O. H. P. Use the graph to respond to the following statement. 2. Contrast the fish masses in the Barrens, Kachemak, and Chisik colonies at a depth stratum of 50 m. Introduction CHAPTER 1 The Study of Life 31

9 Chapter Test C CONTINUED Part D: Short Answer 1. Identify several general pursuits of study conducted by the world s biologists. 2. Explain why scientists should welcome evidence and arguments that contradict accepted scientific theories. 3. Differentiate between observations and inferences. Part E: Concept Application 1. Describe why biologists consider an earthworm to be an organism. 2. Hypothesize about the validity of horoscopes for predicting a person s future. 3. Design an experiment to test the effectiveness of a new, approved drug for arthritic pain. 32 The Study of Life CHAPTER 1 Introduction