CHAPTER 1—THE SCIENCE OF LIFE<br />TRUE/FALSE<br />1. The study of biology can help you better understand human reproducti...
Chapter 1 assessment cut and paste
Chapter 1 assessment cut and paste
Chapter 1 assessment cut and paste
Chapter 1 assessment cut and paste
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Chapter 1 assessment cut and paste

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Chapter 1 assessment cut and paste

  1. 1. CHAPTER 1—THE SCIENCE OF LIFE<br />TRUE/FALSE<br />1. The study of biology can help you better understand human reproduction.<br />2. Almost all organisms ultimately get their energy for survival from the sun.<br />3. All living things are composed of chemicals.<br />4. Refer to the illustration above. Both species are multi-cellular.<br />5. Refer to the illustration above. Both species have DNA in their cells.<br />6. Refer to the illustration above. Reproduction ensures the ongoing success of both species.<br />7. Refer to the illustration above. The sand dollar and paramecium both show organization.<br />8. Refer to the illustration above. Unlike the sand dollar, the paramecium does not have to maintain a stable internal environment.<br />9. Scientists have not discovered any new species on Earth in more than 20 years.<br />10. A scientist who performs an experiment has no idea what the outcome of the experiment is going to be.<br />11. A theory is a hypothesis that has been proven true.<br />12. A theory is an assumption made by scientists and implies a lack of certainty.<br />13. Publication of the results of scientific investigations enables other scientists to verify these results.<br />14. Scientific investigations always follow a series of rigidly defined steps.<br />15. Resolution is a microscope's power to increase an object's apparent size.<br />16. The resolution power of an electron microscope is limited by the physical characteristics of light.<br />17. Units of time are not measured in metric units, so time measurements are not accepted for use with SI units.<br />MULTIPLE CHOICE<br />1. Biology is the study of<br />a. minerals b. life c. the weather d. energy<br />2. All organisms possess DNA. DNA<br />a. creates energy for the cells.<br />b. allows sensitivity to environmental stimuli.<br />c. contains information for growth and development.<br />d. captures energy from the sun.<br />3. Instructions for development that are passed from parents to offspring are known as<br />a. a species plan. b. organ c. genes. d. natural selections.<br />4. As a characteristic of all living things, homeostasis relates most directly to which of the following biological themes?<br />a. interacting systems<br />b. stability<br />c. evolution<br />d. scale and structure<br />5. Homeostasis means<br />a. a change over long periods of time.<br />b. keeping things the same.<br />c. rapid change.<br />d. the same thing as evolution.<br />6. Ecology<br />a. refers to change in species over time.<br />b. refers to a delicate internal balance within organisms.<br />c. is inconsistent with evolution.<br />d. is the study of communities or organisms in relation to their environment.<br />7. Which of the following is a means by which heterotrophs can obtain energy?<br />a. using water, carbon dioxide, and energy from the sun to produce sugars<br />b. using water and carbon dioxide to produce energy-rich compounds<br />c. consuming autotrophs<br />d. consuming simple chemicals from the environment and using them to assemble<br />complex chemicals and structures needed by the organism<br />8. Which of the following is not necessarily a distinct property of living things?<br />a. homeostasis c. complexity<br />b. metabolism d. reproduction<br />9. The smallest units that can carry on all the functions of life are called<br />a. molecules.<br />b. cells.<br />10. Living things<br />a. need energy for life processes.<br />b. have the ability to reproduce.<br />c. are composed of cells.<br />d. All of the above<br />11. All organisms are composed of<br />a. diatoms. b. cellulose c. cells. d. None of the above<br />12. All living things maintain a balance within their cells and the environment through the process of<br />a. growth. b. development c. homeostasis. d. evolution.<br />13. Which of the following is characteristic of all living things?<br />a. movement b. growth c. development d. cellular organization<br />14. Which of the following is not a partial explanation for our lack of understanding of many of the living things on Earth?<br />a. Many organisms are microscopic in size and therefore difficult to observe.<br />b. Many organisms are so different from other organisms that it is difficult to<br />understand them.<br />c. Many organisms live in areas of the world that are difficult to explore.<br />d. Tropical rain forests contain many species, and it is difficult to find all of them in these dense forests.<br />15. A scientist noticed that in acidic pond water some salamanders developed with curved spines. This was a(n)<br />a. hypothesis. b. theory c. observation. d. control.<br />16. Which example of scientific methodology is incorrect!<br />a. Observation—A number of people in Zaire dying of a disease outbreak<br />b. Measurement—A record of the number of people with symptoms of the disease and the number of people who had died from the disease<br />c. Analysis of data—Comparison of the effects of mixing monkey cells with virus containing blood in test tubes and the effects of mixing of liquid from these test tubes with fresh monkey cells<br />d. Inference making—Identification of the Ebola virus as the cause of the disease by taking electron micrographs of substances found in the blood of persons affected with the disease<br />17. The English physician Ronald Ross wanted to try to find the cause of malaria. Based on his observations, Dr. Ross suggested that the Anopheles mosquito might spread malaria from person to person. This suggestion was a<br />a. prediction. b. hypothesis c. theory. d. scientific " truth." <br />18. Dr. Ross knew that the parasite Plasmodium was always found in the blood of malaria patients. He thought that if the Anopheles mosquitoes were responsible for spreading malaria, then Plasmodium would be found in the mosquitoes. This idea was a<br />a. prediction. b. hypothesis c. theory. d. scientific " truth." <br />COMPLETION: <br />Word List : CONTROL, ECOLOGY, FUNCTION, HOMEOSTASIS, HYPOTHESIS, PREDICTING, PLANTS-ALGAE-Some BACTERIA, <br />PUBLISHING IN SCIENTIFIC JOURNALS AND PRESENTING AT SCIENTIFIC MEETINGS,<br />SOIL, THEORY<br />1._______________ is the study of a complex community of organisms in relation<br />to their environment and each other.<br />2. Photosynthetic organisms include . _______________<br />3. All living things must maintain a constant internal environment to function properly through the process of . _______________<br />4. In most multicellular organisms, cells are organized according to their _______________<br />5. A single gram of _______________ may contain as many as 2.5 billion unicellular organisms.<br />6. An educated guess, or _______________, may be tested by experimentation.<br />7. Stating in advance the result that may be obtained from testing a hypothesis is called _______________<br />8. A unifying explanation for a broad range of observations is a _______________<br />9. The main means by which scientists communicate with each other are _______________<br />10. A _______________ experiment is one in which the condition suspected to cause the effect is compared to the same situation without the suspected condition.<br />

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