Pill Bug Lab Hypothesis

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Purpose The purpose of the pill bug lab was to create two different environments and observe which one they preferred. Hypothesis Our hypothesis is that the pill bugs will prefer the chamber without the dead ones. It is doubtful that they give off a chemical when dead or in danger (that warns other pill bugs to stay away) because they are not complex organisms. They may not even realize when another pill bug is dead. Challenges It was difficult to disperse the liquid of the dead bugs onto the filter paper completely. If the bugs crawled into the dead bug chamber, and left without reaching the dead bugs, it was difficult to be sure that the dead bugs were the reason they left. It also took a fair amount of time for the pill bugs to explore each environment. Though 10-15 minutes gives them enough time to…show more content…
I think this is because it is a way to hide from predators and it is a dark, cool habitat they are comfortable in. Our experiment did not provide any insight into why they might choose a habitat like theirs, but it did show that either they are not bothered by dead bodies or their senses are too poor to distinguish a dead body from a rock or leaf. DATA: | dead side | middle | regular | minutes | | | | 1 min | 1 | 6 | 1 | 2 min | 1 | 4 | 3 | 3 min | 3 | 1 | 4 | 4 min | 2 | 1 | 5 | 5 min | 4 | 2 | 2 | 6 min | 3 | 2 | 3 | 7 min | 3 | 2 | 3 | 8 min | 3 | 1 | 4 | 9 min | 4 | 1 | 3 | 10 min | 4 | 1 | 3 | Trial w/ squashed rolly pollies: Totals: 28 21 31 Trial w/ acid and water | acid | water | middle | minutes | | | | I min | 3 | 2 | 3 | 2 in | 1 | 5 | 2 | 3 min | 1 | 5 | 2 | 4 min | 2 | 4 | 2 | 5 min | 4 | 2 | 2 | 6 min | 2 | 4 | 2 | 7 min | 2 | 6 | 0 | 8 min | 3 | 4 | 1 | 9 min | 2 | 5 | 1 | 10 min | 1 | 6 | 1 | | | | | Totals: 21 43

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