Nebraska Academy of Sciences


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2000. Transactions of the Nebraska Academy of Sciences, 26: 23-27. Copyright © 2000 Golden, Smith and Rettig.


We experimentally examined the effects of age and group size on habitat selection and activity level in Xenopus laevis tadpoles. Tadpoles were introduced into an experimental arena at two ages (early and late) and at three group sizes (one, two, and six tadpoles). Group size did not affect habitat selection or activity level. Late tadpoles were more active and used the bottom of the arena more than early tadpoles. Our results suggest that an intrinsic cue (age) is important in determining the behavior of these tadpoles.

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