Tardigrada
E394915
Tardigrada is a phylum of microscopic, water-dwelling animals known as water bears, famous for their extreme resilience to harsh environmental conditions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tardigrada canonical | 3 |
Statements (79)
| Predicate | Object |
|---|---|
| instanceOf | phylum ⓘ |
| bodyPlan | segmented body ⓘ |
| bodySymmetry | bilateral symmetry ⓘ |
| canEnterState | tun state ⓘ |
| cellNumber | fixed cell number in many species (eutely) ⓘ |
| clade | Panarthropoda ⓘ |
| commonName |
moss piglets
ⓘ
tardigrades ⓘ water bears ⓘ |
| cuticleType | chitinous cuticle ⓘ |
| describedBy | Johann August Ephraim Goeze ⓘ |
| describedInYear | 1773 ⓘ |
| developmentType | direct development ⓘ |
| diet |
algae
ⓘ
bacteria ⓘ plant cells ⓘ small invertebrates ⓘ |
| distribution | cosmopolitan ⓘ |
| eggLaying | eggs often laid in molted cuticle ⓘ |
| eggType | yolky eggs ⓘ |
| etymology | Latin for “slow stepper” ⓘ |
| feedingType |
carnivorous
ⓘ
herbivorous ⓘ omnivorous ⓘ |
| fossilRecord |
Cambrian Period
ⓘ
surface form:
Cambrian period
Cretaceous amber ⓘ |
| foundIn |
deep sea
ⓘ
high mountains ⓘ polar regions ⓘ |
| foundOn | all continents ⓘ |
| gasExchange | across body surface ⓘ |
| genomeFeature |
genes associated with DNA damage repair
ⓘ
proteins that protect against radiation damage ⓘ |
| habitat |
freshwater
ⓘ
marine ⓘ soil ⓘ terrestrial mosses and lichens ⓘ |
| hasApproximateSpeciesCount | 1300 ⓘ |
| hasCirculatorySystem | no specialized circulatory system ⓘ |
| hasClaws | true ⓘ |
| hasCryptobiosis | true ⓘ |
| hasCuticle | true ⓘ |
| hasLegCount | 8 ⓘ |
| hasLegPairs | 4 ⓘ |
| hasMolting | true ⓘ |
| hasNervousSystem | true ⓘ |
| hasRespiratorySystem | no specialized respiratory organs ⓘ |
| hasSexes | dioecious in many species ⓘ |
| includedIn | invertebrates ⓘ |
| kingdom | Animalia ⓘ |
| lifeSpan | a few months to a few years depending on conditions ⓘ |
| locomotion | walking on claws ⓘ |
| movementSpeed | very slow ⓘ |
| notableExperiment | survival in open space exposure ⓘ |
| relatedTo |
Arthropoda
ⓘ
Onychophora ⓘ |
| reproductionMode |
asexual reproduction
ⓘ
parthenogenesis ⓘ sexual reproduction ⓘ |
| researchUse |
model for astrobiology
ⓘ
model for desiccation tolerance ⓘ model for extremophile biology ⓘ |
| sentTo | low Earth orbit experiments ⓘ |
| sizeRange | 0.05–1.2 mm ⓘ |
| studyField | tardigradology ⓘ |
| superphylum | Ecdysozoa ⓘ |
| survivalStrategy |
anhydrobiosis
ⓘ
anoxybiosis ⓘ cryobiosis ⓘ osmobiosis ⓘ |
| tolerates |
extreme cold
ⓘ
extreme desiccation ⓘ extreme heat ⓘ high levels of ionizing radiation ⓘ high pressure ⓘ high salinity ⓘ low oxygen ⓘ vacuum of outer space ⓘ |
| typicalSize | 0.3–0.5 mm ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.