Dr. James isolated Staphylococcus aureus, a type of bacteria, from the leg wound of a ten-year-old boy. He suspected these bacteria would grow better at body temperature than room temperature (72°F), but thought that he should collect data to support his thinking. Dr. James introduced the same number of Staphylococcus bacteria into each of six test tubes containing the same type and amount of nutrient broth. Three test tubes were incubated at 98.6°F (Group 1), while three test tubes (Group 2) sat at 72°F. After 24 hours, Dr. James compared the turbidity (indicative of growth) of all six tubes and rated each on a scale of 0 - 4. 0 indicates no turbidity (no growth), while 4 indicates high turbidity (high growth). The following data were collected:

\begin{array} { | c | c | c | } \hline \text { Test Tube } & \text { Temperature } ^ { \circ } \mathrm { F } & \text { Turbidity } \\\hline \text { Group 1: } & & \\\hline 1 & 98.6 & + 4 \\\hline 2 & 98.6 & + 4 \\\hline 3 & 98.6 & + 3 \\\hline \text { Group 2: } & & \\\hline 4 & 72 & 0 \\\hline 5 & 72 & + 1 \\\hline 6 & 72 & 0 \\\hline\end{array}

-Some biologists study the complex interactions of animals and plants in forests or prairies.Such ecology field research often produces slightly different results for different researchers.In contrast,ecology experiments that are run indoors with one organism in a terrarium usually produce results that are repeatable.What is the most likely explanation?
A)The scientific method is only useful in laboratory settings.
B)It is not possible to establish a control group outside of a laboratory.
C)It is easier to hold all but one variable constant in a laboratory.
D)Field research is only descriptive,and descriptive research is not strictly "science."
E)Fieldwork is inductive; lab work is deductive.

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