Cov nroj tsuag vascular (los ntawm Latin vasculum: duct), tseem hu ua Tracheophyta (tus tracheophytes / trəˈkiːəfaɪts/, los ntawm Greek τραχεῖα ἀρτηρία trācheia artēria 'windpipe' + φυτά' pawg nroj tsuag c. 300,000 lees paub hom) uas txhais tau tias yog land nroj tsuag nrog lignified ntaub so ntswg (lub xylem) …
Vim li cas lawv thiaj hu ua tracheophytes?
Tracheophyte, lub ntsiab lus "tracheid cog," yog hais txog cov dej ua cov hlwb (hu ua tracheids, lossis cov ntsiab lus tracheary) uas qhia cov hlua khi zoo li cov nyob hauv phab ntsa ntawm cov hlab ntsha, lossis cov hlab cua, ntawm kab.
Vim li cas thiaj yog gymnosperms thiab angiosperms hu ua tracheophytes?
Tracheophytes yog qhov txawv ntawm broyphytes Bal kev saib xyuas tau tsim cov kab mob vascularuas pab txhawb kev thauj dej thiab khoom noj rau txhua feem ntawm cov nroj tsuag. Tracheophytes tuaj yeem faib ua peb pawg - ferns, gymnosperms thiab angiosperms. Vam tias kuv pab koj.
Lub ntsiab lus ntawm Tracheophyta yog dab tsi?
: kev faib ntawm cov nroj tsuag suav nrog cov nroj tsuag ntsuab nrog cov kab mob vascular uas muaj cov kab mob tracheids lossis cov ntsiab lus tracheary (raws li cov khoom hauv nkoj lossis fibers) thiab suav nrog cov subdivisions Psilopsida, Sphenopsida, Lycopsida, thiab Pteropsida.
Muaj pes tsawg chav kawm ntawm tracheophytes?
Tracheophytes tuaj yeem tawg mus rau peb chav kawm: ferns, gymnosperms, thiab angiosperms. Ferns yog qhov tsawg tshaj plaws evolved ntawm lubtracheophytes; Lawv muaj cov kab mob vascular, thiab cov nplooj ntoo thiab cov hauv paus tshwj xeeb, tab sis tseem nyob ntawm qhov chaw ntub dej rau kev yug me nyuam.
