CH 1 TEST REVIEW Mouse Mischief Being skeptical and being open to change are parts of homeostasis control groups scientific thought In science, ___________________are truths that are valid everywhere in the universe universal law hypotheses predictions The system of moral principles and values needed for scientific investigations is called __________________ theories ethics observations Which is a reason to study science? to help take better care of your health to be a wise consume Both (a) and (b) A wide range of observations is explained by theory question controlled experiment During an experiment, the group that does not change is the organism. control. heredity. A specific, testable prediction for a limited set of conditions is a theory universal law. hypothesis. Each of the following steps is involved in scientific thought except questioning ideas. making observations. evaluating evidence. preserving bias. In which aspects of science are ethics involved? running experiments with humans and other animal reporting results of controlled experiments publishing scientific studies All of the above All objects in the universe are subject to scientific skepticism the law of gravity the law of indirect observation. the International System of Units. In which three areas can studying science aid a nonscientist? health, consumer issues, and solving community problem health, consumer issues, and following universal laws consumer issues, following universal laws, and reinstating conventional wisdom health, critical thinking, and reinstating conventional wisdom What is a control group? a group of people in a scientific study a group of scientists in charge of conducting an experiment a group that serves as a standard of comparison in an experiment a group that receives only an experimental treatment In a controlled experiment, what do scientists measure? how many dependent variables they have how many independent variables they have how the dependent variables change in response to changes in the independent variable how the independent variables change in response to changes in the dependent variable What is the main reason for running a controlled experiment? to make observations to test a hypothesis to formulate new questions to get information for a study Which of these could be useful in a microbiology lab? electron microscopy sterile technique Both (a) and (b) Neither (a) nor (b) Which of the following is true about theories and hypotheses? A hypothesis is highly tested, but a theory is not testable. A hypothesis is a general explanation, but a theory is a specific prediction. One hypothesis can lead to many theories Several related hypotheses can be incorporated into a theory Which list includes four recommended things you need to stay safe when doing science research out in the field? sunscreen, proper safety equipment, focused attention, and body awareness sunscreen, focused attention, body awareness, and emergency money proper safety equipment, field guides, focused attention, and sunscreen field guides, focused attention, body awareness, and emergency money Which branches of biology focus on the study of plants and of animals? botany and ecology botany and zoology zoology and genetics genetics and evolutionary theory Which list includes four of the seven properties of living things? cellular organization, biochemical organization, reproduction, and evolution reproduction, heredity, evolution, and growth heredity, growth, homeostasis, and responsiveness homeostasis, metabolism, reproduction, and evolution In which situation are scientists most likely to collect data remotely when their computers are down when they are studying organisms in the fossil record when they are on vacation when they are studying organisms that migrate A scientist is investigating a new treatment for a disease that affects thousands of people. Many people with this disease volunteer to be part of the study. Which of the following is an ethical concern that the scientist must address before conducting the study? The scientist must ensure that the treatment will be effective. The scientist must ensure that the study’s results will not be shared with other scientists The scientist must inform the volunteers about the potential dangers of participating in the study. The scientist must demonstrate the treatment on him or herself. Which of the following is an example of scientific skepticism? A scientist investigates how a universal law affects many fields of study A scientist falsely claims to have discovered a cure for diabetes. A scientist conducts an experiment that supports the conclusions of another scientist. A scientist questions another scientist’s conclusions and develops an experiment to test an alternative hypothesis.