EXAM_1_REVIEW_Questions for EXAM1 onCH1toCH3

EXAM_1_REVIEW_Questions for EXAM1 onCH1toCH3 - CH 1...

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CH 1 Questions
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1. A fundamental characteristic of life on Earth is that __________. a. living things have a complex, organized structure based on inorganic molecules b. living things passively acquire materials and energy from their environment and convert them into different forms c. living things grow and reproduce d. living things reproduce, using information stored in RNA e. none of the above f. The first, second, and third answers above are correct.
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2. Homeostasis is the process by which __________. a. living things maintain their complex structure and the internal conditions needed to sustain life b. living things reproduce c. some organisms can enter a kind of suspended animation to survive harsh conditions d. like organisms associate with like organisms
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3. Which of the following groups of organisms contains prokaryotic cells? Please select the most appropriate answer. a. Bacteria b. Archaea c. Plantae d. Bacteria and Archaea
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4. Organisms that can extract energy from light are called __________; organisms that must obtain energy from molecules made by other organisms are called __________. a. herbivores, carnivores b. photosynthetic, herbivores c. heterotroph, autotroph d. autotroph, heterotroph
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5. Science assumes that natural laws (such as the law of gravity) __________. a. apply uniformly through space and through time b. apply in the laboratory but not in nature c. change with time d. differ depending on the location of the observer
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6. The process of evolution involves __________. a. natural selection of organisms that produce more offspring in certain environmental conditions b. changes in a species due to mutations c. adaptation of an organism to its environment d. all of the above e. the first and third answers above
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7. You discover a new type of organism in the back of your fridge. Luckily, your roommate is a biology major and takes you to the lab where he works. You put a small piece of the fuzzy critter under the microscope and see that it is made of very simple, single cells with no nucleus. What type of organism might this be? a. Bacteria b. Archaea c. Bacteria or Archaea d. Fungus
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8. A scientist is testing whether a new cancer drug will work on prostate cancer in humans. To properly interpret results of an experiment, control experiments are needed. Which of the following treatments would serve as a control in these experiments, so that the researchers can conclude that the changes that they see in the patients are due to the drug? a. Different doses of the drug are administered to patients.
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EXAM_1_REVIEW_Questions for EXAM1 onCH1toCH3 - CH 1...

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