Which of the following conclusions is supported by the results of Experiment 1?

Experiment 1

Ten samples of bacteria were placed in each of 2 Petri dishes, the bottoms of which were each half moist and half dry. The dishes were covered with Petri dish lids. Dish 1 was placed in a darkened area and Dish 2 was placed in a lighted area. After 2 hours the location of bacterial growth in each dish was recorded (Table 1).

A. Bacteria prefer light environments to dark environments.
B. Bacteria exhibit an equal preference for light and dark environments.
C. Bacteria prefer moist environments to dry environments, regardless of lighting conditions.
D. Bacteria exhibit an equal preference for dry and moist environments.

Transcribed Image Text:

Dish 1 (in dark) Dish 2 (in light) Table 1 Dry side 1 2 Moist side 9 8