2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Roots of Selaginella kis los ntawm rhizophores, hauv paus primordia-cov kabmob kabmob uas txhim kho ntawm stems. Lub hauv paus meristem pib los ntawm ib qho tetrahedral apical qia cell thiab yog anatomically zoo ib yam li cov hauv paus meristem hauv ferns.
Puas Selaginella puas muaj keeb kwm tseeb?
Selaginella nroj tsuag feem ntau zoo li ferns vim yog cov qauv ntawm lawv cov ceg thiab nplooj. Lawv tuaj yeem loj hlob raws li qhov ncaj, ceg ntoo lossis raws hauv av nrog creeping stems. cag hlob ncaj qha los ntawm stems ntawm creeping nroj tsuag. Cov nplooj ntawm Selaginella hom yog yooj yim thiab scale-zoo li.
Puas Spike moss muaj cag?
Spreading club moss, lossis Krauss's spike moss (S. kraussiana), los ntawm teb chaws Africa sab qab teb, cag tau yooj yim raws nws cov kab txuas ntawm cov ceg ntsuab ci. Qee lub sij hawm nws yog cog raws li lub tsev cog, ib yam li S.
YPuas Selaginella yog tsob nroj uas tsis yog Tracheophyte?
Cov lycophytes tseem ceeb muaj xws li Lycopodium (feem ntau hu ua lub club moss [pom hauv daim duab 13], txawm hais tias nws tsis yog moss), Isoetes, thiab Selaginella (lub thiaj li hu ua sawv rov los cog). Lycopodium tsim cov isospores uas germinate nyob rau hauv cov av thiab tsim ib tug bisexual gametophyte.
YKev siv Selaginella yog dab tsi?
Selaginella bryopteris (L.) Bak. Feem ntau hu ua "Sanjeevani", yog lithophyte uas muaj peev xwm sawv rov los zoo kawg li thiab cov khoom siv tshuaj. Nws yog ib txwm siv rau kho qhov txhab thiabKev coj khaub ncaws tsis xwm yeem, uterine ntshawv siab thiab lwm yam kev raug mob sab hauv.
Pom zoo:
Puas horsetails muaj cag?
Horsetail muaj lub hauv paus tob nrog rhizomesuas tuaj yeem tsim tau ntau yam hauv av, muab nws qhov tsos ntawm ib cheeb tsam (Daim duab 2). Yuav tob npaum li cas cov cag horsetail mus? Ntsuab cov cag tuaj yeem loj hlob mus rau qhov tob ntawm tsib taw.
Puas cactuses puas muaj cag?
Cov hauv paus ntawm cacti yog keeb ntiav, nrog qhov tob ntawm 7 txog 11 cm rau ntau hom tsiaj nyob rau Sonoran Desert thiab 15 cm rau cog opuntioids; Lub cultivated vine cactus Hylocereus undatus muaj txawm tias ntiav cov hauv paus hniav. Cactus puas muaj cag tob?
Puas yog ventral cag sensory lossis lub cev muaj zog?
Txhua tus txha caj qaum muaj ob lub hauv paus, dorsal lossis posterior (lub ntsiab lus "mus rau sab nraub qaum") ib qho thiab lub ventral lossis anterior (lub ntsiab lus "mus rau pem hauv ntej") ib qho. Lub dorsal cag yog qhov hnov qab thiab lub hauv paus ventral lub cev muaj zog;
Puas sycamores muaj cov cag tob?
American Sycamore Roots Txawm hais tias qee cov ntoo, zoo li cov ntoo qhib, xa mus rau qhov tob, hauv nruab nrab cov cag ntoo uas ua haujlwm tseem ceeb, feem ntau tsis. … Qhov no yog qhov tshwm sim ntawm Asmeskas tsob ntoo sycamore. Feem ntau ntawm nws cov hauv paus hniav yog nyob rau hauv 6 ko taw ntawm cov av saum npoo, thiab tsob ntoo nquag tsim cov hauv paus loj.
Pob oleanders puas muaj cag tob?
Oleander bushes form ntau hauv paus systems tom qab lawv tau loj hlob thiab tsim. Lub hauv paus oleander yog tawv thiab tuaj yeem loj hlob hauv cov pob zeb thiab lwm yam teeb meem, ua rau lawv zoo meej hauv paus cov nroj tsuag lossis cov qauv raws tus tsav.
