Properties (52)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
phylum
|
| gptkbp:characterizedBy |
dorsal nerve cord
notochord pharyngeal slits post-anal tail |
| gptkbp:conservationEfforts |
varies by species
breeding programs legislation protected areas public awareness campaigns |
| gptkbp:divisions |
gptkb:subphylum_Vertebrata
subphylum_Cephalochordata subphylum_Urochordata |
| gptkbp:examples |
humans
amphibians birds fish reptiles |
| gptkbp:firstAppearance |
Cambrian period
|
| gptkbp:habitat |
marine environments
freshwater environments terrestrial environments |
| https://www.w3.org/2000/01/rdf-schema#label |
phylum Chordata
|
| gptkbp:includes |
vertebrates
tunicates lancelets |
| gptkbp:inheritsFrom |
gptkb:protochordates
|
| gptkbp:is_essential_for |
biodiversity
ecological roles human economy |
| gptkbp:keyIssues |
bilateral symmetry
segmented body closed circulatory system complex organ systems coelomate body plan endoskeleton gill slits during embryonic development muscular post-anal tail during some stage of development highly developed nervous system |
| gptkbp:numberOfStudents |
over 60,000
|
| gptkbp:reproduction |
sexual reproduction
asexual_reproduction |
| gptkbp:research |
ornithology
zoology herpetology ichthyology mammalogy |
| gptkbp:threats |
climate change
pollution habitat loss invasive species overfishing |