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    The Effect of Predation on Tadpole Morphology of the Spotted Frog (Rana luteiventris)

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    2002_SimonsR_THS_000875.pdf (1.372Mb)
    Author
    Simons, Reed
    Advisor
    Grant Hokit; John Addis; Jack Oberweiser
    Date of Issue
    2002-04-01
    Subject Keywords
    colombia spotted frog, Rana lutieventris
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    URI
    https://scholars.carroll.edu/handle/20.500.12647/2985
    Title
    The Effect of Predation on Tadpole Morphology of the Spotted Frog (Rana luteiventris)
    Type
    thesis
    Abstract
    A field experiment was performed to examine the effects of predation on the morphology of the spotted frog (Rana luteiventris). Seven ponds were randomly selected for survey in the Helena National Forest. Macroinvertebrate predators were counted and tadpoles were collected to measure morphological characteristics. Statistical analysis demonstrated that predation had a significant overall effect on tail morphology. Specifically, the higher number of predators in a pond, the longer the tail, the thicker the tail muscle, and the more narrow the mouth width of tadpoles. These induced changes presumably increase swimming speed, improving predator evasion. Interactions with other members of the aquatic community are likely to be influenced as well. This study provides further evidence for predator-induced plasticity in amphibian larvae.
    Degree Awarded
    Bachelor's
    Semester
    Spring
    Department
    Life & Environmental Sciences
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    • Life and Environmental Sciences Undergraduate Theses

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