Cetacea
E43401
Cetacea is an order of fully aquatic mammals that includes whales, dolphins, and porpoises, characterized by streamlined bodies, flippers, and adaptations for life in marine environments.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Whales, Dolphins and Porpoises | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
clade
ⓘ
order ⓘ taxonomic group ⓘ |
| blueWhaleStatus | largest animal known to have ever existed ⓘ |
| breathing | lungs ⓘ |
| characterizedBy |
adaptations for life in water
ⓘ
flippers ⓘ reduced or absent hind limbs ⓘ streamlined bodies ⓘ tail flukes ⓘ thick layer of blubber ⓘ |
| class | Mammalia ⓘ |
| closestLivingRelatives | hippopotamuses ⓘ |
| communication | vocalizations ⓘ |
| conservationStatus | many species threatened or endangered ⓘ |
| containsSuborder |
Mysticeti
ⓘ
Odontoceti ⓘ |
| diet | carnivorous ⓘ |
| evolutionaryOrigin | descended from terrestrial artiodactyl mammals ⓘ |
| feedsYoungWith | milk ⓘ |
| freshwaterPresence | some river dolphins inhabit rivers ⓘ |
| globalDistribution | oceans worldwide ⓘ |
| habitat |
marine environments
ⓘ
some freshwater environments ⓘ |
| has | blowholes ⓘ |
| hasCommonName | cetaceans ⓘ |
| humanInteraction |
important for whale watching tourism
ⓘ
subject to whaling ⓘ |
| includes |
dolphins
ⓘ
porpoises ⓘ whales ⓘ |
| is | fully aquatic mammals ⓘ |
| kingdom | Animalia ⓘ |
| largestMember | blue whale ⓘ |
| limbModification |
forelimbs modified into flippers
ⓘ
hind limbs greatly reduced or absent externally ⓘ |
| MysticetiCommonName | baleen whales ⓘ |
| OdontocetiCommonName | toothed whales ⓘ |
| phylum | Chordata ⓘ |
| reproduction | viviparous ⓘ |
| respiration | obligate air-breathers ⓘ |
| roleInEcosystem |
influence nutrient cycling via fecal plumes
ⓘ
top predators in marine food webs ⓘ |
| sensoryAdaptation | echolocation in toothed whales ⓘ |
| sleepPattern | unihemispheric slow-wave sleep in many species ⓘ |
| superorder | Laurasiatheria ⓘ |
| thermoregulation | insulating blubber layer ⓘ |
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Whales, Dolphins and Porpoises
subject surface form:
Yangtze river dolphin