ISB_204_FS05_PT1 - ISB 204 Practice Exam I FS05 Multiple...

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ISB 204 Practice Exam I FS05 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. (4.6 pts each). ____ 1. Which is the smallest unit of life that can exist as a separate entity? a. a cell b. a molecule c. an organ d. a population e. an ecosystem ____ 2. The chemical processes in the living cell are collectively called a. adaptation. b. homeostasis. c. evolution. d. respiration. e. metabolism. ____ 3. The ability to maintain a constant internal environment is a. metabolism. b. homeostasis. c. development. d. physiology. e. thermoregulation. ____ 4. About twelve to twenty-four hours after the last meal, a person's blood sugar level normally varies from 60 to 90 milligrams per 100 milliliters of blood, though it may rise to 130 mg/100 ml after meals high in carbo- hydrates. That the blood sugar level is maintained within a fairly narrow range despite uneven intake of sugar is due to the body's ability to carry out a. adaptation. b. inheritance. c. metabolism. d. homeostasis. e. all of these ____ 5. All organisms are alike in a. their requirements for energy. b. their participation in one or more nutrient cycles. c. their ultimate dependence on the sun. d. their interaction with other forms of life. e. all of these ____ 6. Which of the following would NOT be characteristic of living organisms? a. complex structural organization b. dependence on other organisms for energy and resources c. reproductive capacity d. uniformity of size and form e. capacity to evolve ____ 7. Of the following, which is the first explanation of a problem? It is sometimes called an "educated guess." a. principle b. law c. theory d. fact
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e. hypothesis ____ 8. Which statement is true about observations in the scientific process? a. They are made directly. b. They are made indirectly. c. Special equipment may be necessary. d. They may be made with an instrument such as a microscope. e. all of these ____ 9. In a scientific experiment, conditions that could affect the outcome of the experiment, but do not because they are held constant, are called a. independent variables. b. dependent variables. c. controlled variables. d. statistical variables. e. data set. ____ 10. The validity of scientific discoveries should be based on a. morality. b. aesthetics. c. philosophy. d. economics. e. none of these ____ 11. Science is based on a. faith. b. authority. c. evidence. d. force. e. consensus. ____ 12. Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life? a. Living things grow and develop d. Living things have levels of organization b. Living things respond to stimuli e. Living things are adapted to the environ- ment c. Living things maintain themselves by homeostasis ____ 13. Nutrient molecules are used as building blocks or for energy. This best represents which characteristic of life? a.
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ISB_204_FS05_PT1 - ISB 204 Practice Exam I FS05 Multiple...

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