The field of allometry studies the relationships between important biological rates and an organism's body size. The observation that the data displayed below are best described by a trend line with a slope of 3/4 implies Group of answer choices metabolic rate is proportional to 'mass to the 3/4 power.' metabolic rate is proportional to 'mass plus 3/4.' metabolic rate is proportional to 'mass divided by 3/4.' metabolic rate is proportional to 'mass times 3/4.'