# Relationship Between Woodlice and Speed

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Relationship Between Woodlice and Speed
The relationship between the size of the woodlice and their speed

Abstract: How does the physical makeup and size of an organism relate to various activities an organism perform is a topic many people curious about. We wanted to find out if there was any relationship between the body size of woodlice and their speed. We hypothesized that the bigger woodlice have higher speed than smaller woodlice. We conducted an in-class experiment to test our hypothesis. We took ten woodlice and divided them into two groups: smaller and bigger woodlice. Each woodlouse was then let to run for 10 cm and time taken to reach the destination was recorded. Finally, when all woodlice completed running, we conducted a t-test. The value of ‘P’ from our test was 0.8956 which is larger than 5% level of significance. Since our value of P was larger than the 5% level of significance, we rejected our hypothesis and accepted the null hypothesis. The null hypothesis was that there is no relationship between the body size of woodlice and their speed. The findings from this experiment can be useful in determining and studying relationship between physical size and activities performed by many animals,
Data:
Table-1: Experimental data (Weight and time) required for each woodlice Bug | weight of woodlice(gm) | time(s) | 1 | 0.0284 | 33.9 | 2 | 0.0284 | 12.2 | 3 | 0.0277 | 25.6 | 4 | 0.0272 | 24.8 | 5 | 0.022 | 13.1 | 6 | 0.0198 | 28.5 | 7 | 0.0464 | 24.8 | 8 | 0.0439 | 13.1 | 9 | 0.0493 | 28.2 | 10 | 0.0579 | 17.7 |

Weight of watch glass = 3.1163 grams
Weight of woodlice = weight of (woodlice+watch glass-watchglass)

Methods: The experiment to find relationship between body size and speed was conducted in our lab. 10 woodlice were used in the calculation. Each woodlouse was put on a small watch glass after the weight of watch glass was measured. After that, the weights of woodlice along with watch glass were measured. The average weight of all 10 woodlice

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