Biology: Concepts and Applications – 10th Edition by Cecie Starr, Christine Evers, & Lisa Starr – Full Test Bank with Answers (All Chapters)
Test Bank For Biology: Concepts and Applications 10th Edition by Cecie Starr, Christine Evers, Lisa Starr Exhibit 1-1 A scientist randomly divided a group of 100 lab rats into two groups of 50. One group was fed regular rat chow while the other was fed the same amount of rat chow with added DDT. Both groups were housed in the same room with the same environmental conditions. At the end of the experiment, rats were weighed and the mean difference calculated. 28. Refer to the accompanying narrative. What variable or variables were manipulated by the scientist? a. DDT only b. temperature only c. weight differences only d. both DDT and weight differences e. both temperature and weight differences ANSWER: a POINTS: 1 REFERENCES: Section 1.5 How does science work? LEARNING OBJECTIVES: BCA.SES.1.5.3 - Using a suitable example, distinguish between dependent and independent variables. KEYWORDS: Bloom's: Apply | Analyze 29. Refer to the accompanying narrative. What dependent variable was measured? a. DDT b. temperature c. weight d. amount of food e. day length ANSWER: c POINTS: 1 REFERENCES: Section 1.5 How does science work? LEARNING OBJECTIVES: BCA.SES.1.5.3 - Using a suitable example, distinguish between dependent and independent variables. KEYWORDS: Bloom's: Apply 30. In order to reduce bias, scientists usually prefer experiments that lead to what kind of results? a. ambiguous b. imprecise c. quantitative d. qualitative e. subjective Test Bank Page 10 Test Bank For Biology: Co ...
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