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or pe·do·morph (pē′də-môrf′)
An organism that retains juvenile characteristics in the adult form.
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Identical treatment groups consisting of light & dark, high & low temperature, high & low food and all combinations thereof were developed for each species in order to contrast the effects in both an obligate metamorph and a facultative paedomorph.
Most of these paedomorphic species belong to the Family Ambystomatidae, and paedomorphic species are either obligatory paedomorphs or facultative paedomorphs.
The other significant factor was developmental status: larval salamanders (both paedomorphs and juvenile larvae) at different prey than transformed salamanders.