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Test Bank for Biology Laboratory Manual 12th Edition Vodopich / All Chapters 1-51 / Full Complete
Test Bank for Biology Laboratory Manual 12th Edition Vodopich / All Chapters 1-51 / Full Complete
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Biology Laboratory Manual 12th Edition Vodopich Test Bank Biology Laboratory Manual, 12e (Vodopich) Exercise 01 - Scientific Method 1) What is true about science? Check all statements that apply. A) It is a single entity. B) It generally contains bias. C) It is an orderly process. D) It proceeds by posing and answering questions. E) It results in scientific experiments are repeatable. Answer: C, D, E Explanation: Scientists are often people who retain the curiosity that they had as children. They observe the natural world, and ask questions about what they observe, and they conduct experiments to answer their questions. The experiments and process should be unbiase d and orderly, and the results should be repeatable. Science cannot be considered a single entity, because there are many disciplines within the realm of science. Section: Introduction Topic: A View of Life; Scientific Method Learning Objective: 01.01. Define science and understand the logic and sequence of the scientific method. Bloom's: 2. Understand Accessibility: Keyboard Navigation 2) Scientists are the only individuals whoNUuRseSItNheGTscBi.eCnOtiMfic method. Answer: FALSE Explanation: Anyone can use the scientific method. Using this method just requires a curious, observant person who uses a logical problem -solving approach. Section: Introduction Topic: A View of Life; Scientific Method Learning Objective: 01.01. Define science and understand the logic and sequence of the scientific method. Bloom's: 3. Apply Accessibility: Keyboard Navigation 3) Consider the followin g general observation: Groups of tadpoles of the same species raised in the lab may have significantly different average weights. Which is a more precise, insightful observation that could be tested? A) Woodfrog tadpoles grow larger if fed a meat -based diet. B) The average weight for groups of bullfrog tadpoles is higher if density of tadpoles per gallon of water is less than 1. C) Green frog tadpoles grow larger if kept in water above 18°C. D) All of the choices are correct. Answer: D Explanation: Each of these statements links a specific variable to tadpole size. Section: Development of Observations, Questions, and Hypotheses Topic: A View of Life; Scientific Method Learning Objective: 01.02. Develop productive observations, questions, and hypotheses about the natural world. Bloom's: 5. Evaluate Accessibility: Keyboard Navigation 4) What should be considered in formulating a hypothesis? Check all that apply. A) The possibility the hypothesis will not be supported by the experimental data B) Prediction C) The possibility the hypothesis will be proved true D) The possibility the hypothesis will be supported by the experimental data Answer: A, B, D Explanation: Hypotheses should be falsifiable, which indicates that a hypothesis may not be supported by experimental data. A hypothesis may also be supported by experimental data, but it is never correct to say that a hypothesis has been proved true. Hypotheses can be predictive about the nature of the effect of a variable. Section: Development of Observations, Questions, and Hypotheses Topic: A View of Life; Scientific Method Learning Objective: 01.02. Develop productive observations, questions, and hypotheses about the natural world. Bloom's: 2. Understand Accessibility: Keyboard Navigation 5) The hypothesis states there will be no difference between the control and experimental groups i n an experiment. Answer: null Explanation: Null is generally defined as something that has no effect. A null hypothesis states that the variable that is being tested is not something that differs between the control and experimental groups. Section: Development of Observations, Questions, and Hypotheses Topic: A View of Life; Scientific Method Learning Objective: 01.02. Develop productive observations, questions, and hypotheses about the natural world. Bloom's: 1. Remember Accessibility: Keyboard Navigation 6) In a well-designed experiment, only treatment variable that differs between the control and experimental group is tested. Answer: a single 1 one Explanation: Only a single variable difference establishes a causal relationship between variable and effect. Section: Experimentation and Data Analysis: Yeast Nutrition Topi c: A View of Life; Scientific MethNoUdRSINGTB.COM Learning Objective: 01.04. Design and conduct a controlled experiment to test a null hypothesis. Bloom's: 2. Understand Accessibility: Keyboard Navigation 7) Imagine that you wish to compare a new diet of a meat -based fish food for tadpoles that are raised in the laboratory to the traditional laboratory diet of boiled lettuce. You want to see if the new diet will be associated with an increase in the average weight of the tadpoles. In your experiment you keep all other factors, such as tadpole density per pan, temperature, pH, and the amount of food the same. The only difference between your control and experimental groups is the type of food the tadpoles receive. Which is a null hypothesis for this tadpole experiment? A) Tadpoles will be larger if fed a meat -based diet. B) Tadpoles will be larger if fed boiled lettuce. C) Diet will have no effect on tadpole size. D) Tadpole size will be more variable if fed a meat -based diet. Answer: C Explanation: A null hypothesis states that the variable under examination does not cause a difference in what is being measured in the control and experimental groups. In this experiment the effect of different diets on tadpole size is being measured. A null hypothesis would state that different diets do not impact tadpole size. Section: Development of Observations, Questions, and Hypotheses Topic: A View of Life; Scientific Method Learning Ob jective: 01.02. Develop productive observations, questions, and hypotheses about the natural world. Bloom's: 5. Evaluate Accessibility: Keyboard Navigation 8) Which is an alternate, nonpredictive hypothesis for the tadpole diet experiment? A) Tadpole size will increase if they are fed a meat -based diet. B) Tadpole size will decrease if they are fed lettuce. C) Tadpole size will be unaffected by diet. D) Tadpole size will differ if groups of tadpoles are fed different diets. Answer: D Explanation: An alternate, nonpredictive hypothesis would state that the tadpoles would differ, but would not state how the tadpoles would differ. Section: Development of Observations, Questi ons, and Hypotheses Topic: A View of Life; Scientific Method Learning Objective: 01.02. Develop productive observations, questions, and hypotheses about the natural world. Bloom's: 5. Evaluate Accessibility: Keyboard NavigationThe benefits of buying summaries with Stuvia:
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