a. The left-hand graph below shows the relationship

Chapter 7, Problem 7.7.16

(choose chapter or problem)

a. The left-hand graph below shows the relationship between population density and length of an organism. The slope of the line for log(density) vs. log(length) is 22.25. Express the relationship between population density and length in terms of direct proportionality. b. The right-hand graph shows the relationship between population density and body mass of mammals. The slope of the line for log(density) vs. log(mass) is 20.75. Express the relationship between population density and body mass in terms of direct proportionality. c. Are your statements in parts (a) and (b) consistent with the fact that body mass is directly proportional to length3? (Hint: Calculate the cube of the length to the 20.75 power.)

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