Amphibia
E90196
Amphibia is a class of cold-blooded vertebrate animals that typically have moist skin and undergo metamorphosis from aquatic larvae to more terrestrial adults, including frogs, toads, salamanders, and caecilians.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Amphibians | 1 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
biological class
ⓘ
taxonomic rank ⓘ |
| adultHabitat |
semi-aquatic
ⓘ
terrestrial ⓘ |
| commonName | amphibians ⓘ |
| conservationStatus | many species threatened or endangered ⓘ |
| diet | mostly carnivorous as adults ⓘ |
| eggLayingHabitat | water ⓘ |
| eggType | jelly-coated eggs ⓘ |
| evolutionarySignificance | first vertebrates to colonize land extensively ⓘ |
| fertilizationType | mostly external fertilization ⓘ |
| geographicDistribution | worldwide except Antarctica and some oceanic islands ⓘ |
| habitat |
freshwater ecosystems
ⓘ
terrestrial ecosystems near water ⓘ |
| hasBackbone | true ⓘ |
| hasLimbs | usually four limbs ⓘ |
| hasMetamorphosis | true ⓘ |
| hasMoistSkin | true ⓘ |
| hasScales | false ⓘ |
| hasTailInLarvae | true ⓘ |
| heartChambers | three-chambered heart ⓘ |
| includesCommonGroup |
caecilians
ⓘ
frogs ⓘ newts ⓘ salamanders ⓘ toads ⓘ |
| includesOrder |
Anura
ⓘ
Caudata ⓘ Gymnophiona ⓘ Urodela ⓘ |
| isColdBlooded | true ⓘ |
| kingdom | Animalia ⓘ |
| larvalDiet | often herbivorous or omnivorous ⓘ |
| larvalHabitat | aquatic ⓘ |
| lifeCycleStage |
adult
ⓘ
egg ⓘ larva ⓘ |
| osmoregulation | water easily lost or gained through skin ⓘ |
| phylum | Chordata ⓘ |
| reproductionType | sexual reproduction ⓘ |
| respiration |
cutaneous respiration
ⓘ
gills in larvae ⓘ lungs in adults ⓘ |
| skeletonFeature | pedicellate teeth in many species ⓘ |
| skeletonType | bony skeleton ⓘ |
| skinFeature | permeable skin ⓘ |
| skinGlands |
mucous glands
ⓘ
poison glands ⓘ |
| subphylum | Vertebrata ⓘ |
| thermoregulationType | ectothermic ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Amphibians