Can individual life history strategy explain personality in the Pill Bug (Armadillidium vulgare)?
Tan, Tzi Ling 2020, Can individual life history strategy explain personality in the Pill Bug (Armadillidium vulgare)?, B. Science (Hons) thesis, School of Life and Environmental Sciences, Deakin University.
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Can individual life history strategy explain personality in the Pill Bug (Armadillidium vulgare)?
In recent years, the study of animal personality has risen to substantial research interest. Animal personality can be known as consistent individual differences in behaviour across time and space. Animal personality differences can be seen in wide range of animal species, such as birds, mammals, reptiles, insects and fishes. Animal personality was said to be promoted by an individual’s life history strategy. The species I used to conduct this study was Pill-bugs (Armadillidium vulgare). In this study, I was interested in finding out whether individuals in my sample showed consistent individual differences in their growth rate and behaviour, and to find out whether their life history strategies will affect their personality. I hypothesized that individual with fast pace life history would show a faster growth rate and bolder behaviour than average. By using both univariate and bivariate models, I was able to test whether consistent individual differences and correlations between growth rates and behaviour exist in this species. My results showed that individuals were significantly different in their growth rate and behaviour; however, my bivariate mixed model test showed no correlations between pill bugs’ growth rate and behaviour, indicated no evidence to support my hypothesis.
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