Isopod Behavior Lab Results and Discussion

Isopod Behavior Lab Results and Discussion - Number of...

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0 1 2 3 4 5 6 0 30 60 90 120 150 180 Time (s) Number of Isopods in Light Side Armadillidium vulgare Porcellio scaber Figure 1. The average number of Armadillidium vulgare and Porcellio scaber in the light side of the apparatus over time. As time progressed, the average number of both Armadillidum vulgare and Porcellio scaber in the light side of the apparatus decreased (Figure 1). A high number of isopods of both species were observed moving from the light environment to the dark environment during the first 60 seconds. Throughout the experiment, some isopods were observed entering back into the light environment after being in the dark environment. The average number of Porcellio scaber in the light side of the apparatus did not follow the downward trend at 120 seconds, as shown by the positive slope between 90 seconds and 120 seconds. The standard deviation for the number of Porcellio scaber in the light side of the apparatus at 120 seconds was also relatively high in comparison to the observed numbers at other times (Table 1).
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