Stress can affect the physiology and behavior of animals,
Chapter 0, Problem 3.40(choose chapter or problem)
Stress can affect the physiology and behavior of animals, just as it can with humans (as many of us know all too well). The accompanying data on x plasma cortisol concentration (in milligrams of cortisol per milliliter of plasma) and y oxygen consumption rate (in milligrams per kilogram per hour) for juvenile steelhead after three 2-min disturbances were read from a graph in the paper Metabolic Cost of Acute Physical Stress in Juvenile Steelhead (Transactions of the American Fisheries Society [1987]: 257263). The paper also included data for unstressed fish. x 25 36 48 59 62 72 80 100 100 137y 155 184 180 220 280 163 230 222 241 350a. Is the value of y determined solely by the value of x?Explain your reasoning.b. Construct a scatterplot of the data.c. Does an increase in plasma cortisol concentration appearto be accompanied by a change in oxygen consumptionrate? Comment.
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