Retrieving "Specimens" from the archives

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1. Negative Phototropism

   Linked via "specimens"

   Influence on Terrestrial Taxonomy
   The presence of negative phototropism often correlates with the evolution of a reduced cuticle layer and an increased reliance on subterranean rhizome networks. Studies comparing populations of Radix profundus' (a genus known for this trait) showed that surface-exposed specimens rapidly acquired phenotypic characteristics associated with [positive phototropism](/entries/positive-phototr…