{"thcode":2,"term":{"code":37,"name":"amphibians","parent":1269,"scope":"Vertebrates of the class Amphibia including frogs and toads (Anura), salamanders (Urodela), caecilians (Apoda) and extinct forms which are cold-blooded and have life stages in water as eggs and larval forms (tadpoles)until they metamorphose as adults."},"uf":[],"bt":[{"code":1269,"name":"vertebrates","parent":45,"scope":"Animals possessing a vertebral column or backbone including birds, fishes, amphibians, reptiles, and mammals."},{"code":45,"name":"animals","parent":843,"scope":"Multi-celled organisms of the kingdom Animalia with eukaryotic cells (cells with distinct nuclei containing genetic material and bounded by thin membranes) that are heterotrophic (obtaining energy from organic substances produced by other organisms)."},{"code":843,"name":"organisms","parent":1174,"scope":"Living individuals that grow, reproduce, and die."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":539,"name":"herpetology","parent":1268,"scope":"Branch of zoology concerned with the study of reptiles and amphibians."}]}