Assertion: salamander's lung | /r/HasProperty | i.e. gills
Facets:
Source sentences:
text: Lunglessness in this family may have evolved due to an adaptation for life in streams, and members of the family Plethodontidae probably did evolve other methods for respiration other than lungs (i.e. gills) due to enhanced survival of larval salamanders in fast-moving stream environments of southern Appalachia.