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    The Effects of the Presence of Dragonfly Predators on the Morphology of the Columbia Spotted Frog (Rana luteiventris)

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    2003_BodleyK_THS_000821.pdf (1.541Mb)
    Author
    Bodley, Kyle
    Advisor
    Grant Hokit; Gerald Shields; Jack Oberweiser
    Date of Issue
    2003-04-01
    Subject Keywords
    colombia spotted frog, Rana lutieventris
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    URI
    https://scholars.carroll.edu/handle/20.500.12647/2980
    Title
    The Effects of the Presence of Dragonfly Predators on the Morphology of the Columbia Spotted Frog (Rana luteiventris)
    Type
    thesis
    Abstract
    A laboratory experiment was preformed to determine the effects of predation on the morphological plasticity of the Columbia spotted frog (Rana luteiventris). Four treatments, each comprised of five replicates included predators, mashed conspecifics, predators and mashed conspecifics and a control group. Different morphological features were measured and a statistical analysis of these features was performed to determine the overall effect of predation. Predation, or the presence of chemical cues released from the predator or the skin of the injured amphibian, had a significant effect on muscle development. Specifically, tadpoles reared in the presence of predators or mashed conspecifics developed thicker tail musculature. This modified tail development could be advantageous in avoiding predators. This study may lead to a better understanding of the environmental dependent phenotypic plasticity of the spotted frog.
    Degree Awarded
    Bachelor's
    Semester
    Spring
    Department
    Life & Environmental Sciences
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    • Life and Environmental Sciences Undergraduate Theses

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