Cov txheej txheem:
- Puas Protochordata thiab Urochordata tib yam?
- Qhov txawv ntawm Protochordata thiab vertebrata yog dab tsi?
- Protochordata txhais li cas?
- Vim li cas Urochordata thiab Cephalochordata hu ua Protochordata?
Video: Puas yog protochordata thiab hemicordata tib yam?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Hemichordata tsis zoo ib yam li protochordata as notochord muaj nyob rau hauv protochordata tab sis tsis muaj nyob rau hauv hemicordata. Protochordata thiab vertebrata yog sub-phylum ntawm Chordata.
Puas Protochordata thiab Urochordata tib yam?
Protochordates yog dab tsi? Protochordates muaj cov kab mob uas tau categorized raws li Subphyla Urochordata thiab Cephalochordata. Protochordates tseem hu ua Acraniata, vim tsis muaj lub taub hau thiab cranium. Cov kab mob no yog marine heev thiab muaj lub cev me me.
Qhov txawv ntawm Protochordata thiab vertebrata yog dab tsi?
Vertebrates yog cov tsiaj uas muaj pob txha caj qaum thiab qaum qaum hos tus protochordates yog lub npe tsis raug muab rau invertebratesuas muaj notochord, dorsal paj qaum thiab pharyngeal slits.
Protochordata txhais li cas?
Protochordates yog ib hom tsiaj tsis raws cai (piv txwv li: tsis yog pawg neeg taxonomic zoo), lub npe feem ntau yog kev yooj yim rau pib cov tsiaj txhu uas muaj feem cuam tshuam nrog cov vertebrates … Cov tsiaj no muaj pharyngeal gill slits thiab dorsal paj qaum, uas feem ntau yog khov.
Vim li cas Urochordata thiab Cephalochordata hu ua Protochordata?
Protochordates (proto=ua ntej) kuj hu ua prochordata yog cov ntaub ntawv ntawm cov poj koob yawm txwv thaum ntxov ntawm chordates Nws yog ib pab pawg tsis raug cai nyob rau hauv phylum chordate thiab tsis koom nrog ib qho ntawm cov taxonomic. pawg. Protochordates suav nrog ob lub subphyla: Urochordata thiab Cephalochordata.
Pom zoo:
Puas yog yug thiab moles yog tib yam?
Moles thiab birthmarks tsis tas yuav yog ib qho tib si, tab sis lawv tuaj yeem yooj yim tsis meej pem vim tias mole tuaj yeem tshwm sim thaum yug. Qee tus kws kho mob xav tias mole yog "kev zoo nkauj" vim nws yog thaj chaw pigmentated.
Puas yog lub tesseract thiab lub pob zeb qhov chaw yog tib yam?
Lub Tesseract, tseem hu ua lub voos xwmfab, yog lub pob zeb crystalline zoo li lub nkoj ntimrau lub Pob Zeb Space, ib qho ntawm rau Lub Pob Zeb Infinity uas ua rau lub ntiaj teb thiab muaj lub zog tsis muaj kev txwv.. Nws tau siv los ntawm ntau yam kev vam meej thaum ub ua ntej los rau hauv Asgardian tes, khaws cia hauv Odin's Vault .
Puas muaj ntau yam thiab ntau yam zoo ib yam?
Kev sib sib zog nqus-qhov sib txawv ntawm qhov nqaim-ntawm cov khoom lag luam txhais tau hais tias tus neeg muag khoom nqa ntau qhov sib txawv ntawm ib yam khoom. Ntau yam-qhov sib txawv ntawm qhov nqaim-ntawm cov khoom txhais tau tias tus neeg muag khoom nqa ntau yam khoom sib txawv.
Puas yog lub kaus mom thiab lub kaus mom yog tib yam?
yog tias helm yog (nautical) lub steering apparatus ntawm lub nkoj, tshwj xeeb tshaj yog lub tiller los yog lub log thaum lub rudder yog (nautical) ib tug underwater vane siv rau steer lub nkoj lub rudder. yog tswj los ntawm lub log, tiller los yog lwm yam khoom siv (hnub no cov hlab ntsha tuaj yeem tswj tau txawm tias muaj lub joystick lossis lub autopilot) .
Puas yog kev tsis sib haum xeeb thiab tsis sib haum yog tib yam?
Unconformities sawv cev rau lub sij hawm ntawm non-deposition ntawm sediment los yog active erosion ntawm strata. Nonconformity: txhim kho qhov twg sediments tau tso rau saum qhov chaw eroded ntawm igneous los yog metamorphic pob zeb. … Puas yog kev tsis sib haum xeeb thiab tsis sib haum?