Assertion: salamander's morphology | /r/HasProperty | variable
Facets:
value: extremely
type: DEGREE
value: depending on nourishment
type: OTHER
Source sentences:
text: Earlier researchers used these differences to support the division into five species, while modern herpetologists understand that external morphology is not reliable for amphibian systematics and can be extremely variable, depending on nourishment, illness, and other factors; even varying among individuals in a single population.