concepts
type: Collection
type: ConceptGroup
member: amphibians

frogs
type: Concept
broader: amphibians

animals
type: Concept
narrower: amphibians

amphibians
definition: Amphibians (greek, “double life”) are a class of animals with vertebrae or backbones. They live part of their lives in water and part on dry land. [Source: Encyclopedia of Environment and Society; Amphibians]
narrower: frogs
broader: animals
type: Concept