Test Yourself Biology PDF

6/16/24, 4:45 PM Test Yourself Test Yourself Answers can be found in the Appendix. 1. To which of the following domains of life do humans belong?...

6/16/24, 4:45 PM Test Yourself Test Yourself Answers can be found in the Appendix. 1. To which of the following domains of life do humans belong? a. Prokarya b. Eukarya c. Animalia d. Mammalia N OT DISTR 2. To which of the following domains do unicellular organisms, which O I B lack nuclei, belong? D UT - a. Eukarya © P E A RS O N E b. Archaea c. Bacteria MY.NI... d. both Archaea and Bacteria 3. New scientific knowledge is gained through a multistep process known as: 26@ a. the scientific method. R5 FO b. hypothesis development. LE R H testing. IL T c. variable EP M d. observationRtesting. IVAT F JH E U SE O 4. An experiment is designed to test the effect of a new medication on the level of cholesterol in the blood. The experimental subjects are divided into two similar groups. One group receives the medication and the other is given a placebo. At the end of the experiment, the blood cholesterol levels of the two groups are compared. What is the dependent variable? a. the number of subjects in the control group b. the level of cholesterol in the subjects’ blood c. the number of subjects in the experimental group d. treatment with the drug or the placebo https://plus.pearson.com/courses/irwin79276/products/6I5BRE245YO/pages/a068c2643012ab3ec926120c3859662e38c0e1617-sec037?locale=&redirectURL=https:/… 1/4 6/16/24, 4:45 PM Test Yourself 5. A broad hypothesis that has been supported by repeated experimentation is known as: a. a proven hypothesis. b. a supported hypothesis. c. a theory. d. dogma. 6. Which of the following is used when developing a hypothesis? a. observations b. inductive reasoning c. controlled experiments d. both observations and inductive reasoning OT DISTR 7. The smallest unit of life that demonstrates all the properties of life is O N I a(n): D B a. organism. UT - © P E A RS O N b. organ system. E c. molecule. MY.NI... d. cell. 8. Consider all the organisms (human as well as nonhuman) that occupy your college campus. From a biological standpoint, this would be 26@ a/an: a. community. R5 FO LE b. ecosystem. R HE IL T c. biome. PR H M IVAT J d. population. E USE OF 9. Which of the following lists the steps of the scientific method in order? a. observation—prediction—experimentation—hypothesis development b. hypothesis development—observation—experimentation— prediction c. prediction—hypothesis development—experimentation— observation d. observation—hypothesis development—prediction— experimentation 10. What is usually plotted on the x-axis of a graph? https://plus.pearson.com/courses/irwin79276/products/6I5BRE245YO/pages/a068c2643012ab3ec926120c3859662e38c0e1617-sec037?locale=&redirectURL=https:/… 2/4 6/16/24, 4:45 PM Test Yourself a. controlled variable b. independent variable c. dependent variable d. placebo 11. An acceptable scientific hypothesis: a. can be tested. b. can be proven true. c. can be proven false. d. both (a) and (c). 12. Drug A is being tested for its effectiveness in shortening the duration and severity of influenza in humans. In designing an experiment to OT DISTR test Drug A, which of the following would be an important O N I consideration? D B a. Participants can choose whether to be in the experimental or UT - © P E A RS O N control group. E b. The experimental group will contain only males, and the MY.NI... control group will contain only females. c. The experimental group should contain 1000 subjects, but the control group should include 100 subjects. 26@ d. The experimental group will receive Drug A, and the control group will receive a placebo. R5 FO LE 13. Jenna has been telling her friends about how successful she was at R H E by using a dietary supplementI she purchased at a L T losing 10 pounds IVisAan PR J HM health food store. This TEexample OFa/an: E of US a. proven hypothesis. b. anecdotal evidence. c. controlled experiment. d. scientific theory. 14. The maintenance of a relatively stable internal environment is: a. metabolism. b. evolution. c. constancy. d. homeostasis. 15. All the following are features that collectively distinguish humans from other animals except: https://plus.pearson.com/courses/irwin79276/products/6I5BRE245YO/pages/a068c2643012ab3ec926120c3859662e38c0e1617-sec037?locale=&redirectURL=https:/… 3/4 6/16/24, 4:45 PM Test Yourself a. bipedalism. b. large brain. c. ability to evolve as a species. d. capacity for complex language. N OT DISTR O I B D UT - © P E A RS O N E MY.NI... 26@ R5 FO LE R HE IL T PR H M IVAT J E USE OF https://plus.pearson.com/courses/irwin79276/products/6I5BRE245YO/pages/a068c2643012ab3ec926120c3859662e38c0e1617-sec037?locale=&redirectURL=https:/… 4/4