The Behavior of Two Species of Planaria in Confined Spaces
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Abstract
The behavior of Cura foremanii and Dugesia tigrina in large and small spaces was examined. It was found that the smaller the space (the greater the probability of contact with a corner for rectangular spaces and the greater the degree of angularity for cylindrical spaces), the shorter the mean time to cessation of locomotion. When given a choice between settling in a large or a small volume under diurnal conditions, both C. foremanii and D. tigrina chose the small volume. With continuous darkness, while D. tigrina appeared to continue to choose the smaller volume, C. foremanii avoided it. The behavior was explained as an interaction of taxes.
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References
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© Association of Behavior Analysis International 1974