2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Mosses thiab Horworts MossesTsis muaj Elaters. Nyob rau hauv ib qho kev loj hlob hornwort sporophyte tus tsim spores yog tov nrog sterile hlwb ntawm txawv daim ntawv.
Cov elaters ntawm hornworts txawv ntawm cov liverworts li cas?
Liverworts tsim luv, me me sporophytes, whereas hornworts loj hlob ntev, sporophytes sporophytes. Txhawm rau paid hauv spore dispersal, liverworts siv elaters, hos hornworts siv pseudoelaters.
Nyob rau hauv qhov twg Pteridophyte uas elaters pom?
Nyob hauv lub liverworts tseem hu ua hepaticopsida [piv txwv li Riccia, Marchantia], elators yog cov hlwb uas tsim nyob rau hauv lub sporophyte nrog rau cov spores. Lawv yog cov ua kom tiav cov hlwb, feem ntau nrog helical thickenings thaum loj hlob uas teb rau cov ntsiab lus noo noo.
Hornwort yuav ua li cas?
Hornworts reproduces kev sib deev los ntawm txhais tau tias ntawm cov phev dej, uas taug kev los ntawm txiv neej pw hauv nruab nrog cev (antheridium) mus rau poj niam txiv neej lub cev (archegonium). Lub qe fertilized nyob rau hauv ib tug poj niam cev xeeb tub cov poj niam tsim mus rau hauv ib tug elongate sporangium, uas splits lengthwise raws li nws loj hlob, tso cov spores uas tau tsim nyob rau hauv nws.
Yuav ua li cas elateders?
Elaters yog cov hlwb tsis muaj diploid tsim los ntawm archesporial tis-sue nyob rau hauv cov tshuaj ntsiav ntawm liverworts thiab hornworts. … Cov elators ntawm liverworts yeej ib txwm unicellular thiab yooj yim recognizable raws li ntev, threadlike hlwb txuam nrog spores.
Pom zoo:
Puas muaj leej twg muaj txoj sia nyob tsis muaj tus kab mob vwm?
Kev Kho Mob Tsis Paub: Tsuas yog Ib Tus Neeg Muaj sia nyob tus kab mob vwm yam tsis muaj tshuaj tiv thaiv - Tab sis ua li cas? Plaub xyoos tom qab nws yuav luag tuag los ntawm tus kab mob vwm, Jeanna Giese tau raug tshaj tawm raws li thawj tus neeg paub tias tau muaj tus kab mob no tsis tau txais tshuaj tiv thaiv.
Puas muaj tsev neeg muaj koob muaj npe?
Ironed shoelaces Tub huabtais Charles muaj peb tus kheej valet, txhua tus mob siab rau tuav lub wardrobe ntawm tus huab tais thiab xaiv qhov nws yuav hnav. … Lawv yuav tsum tau khi txoj hlua khi ntawm txhua nkawm khau uas tus huab tais muaj.
Puas yog tsev neeg muaj koob muaj npe muaj lub cev tiv thaiv?
Tsis tas li ntawd, Tus Saib Xyuas tau tshaj tawm tias Royal Protection Squad, cov tub ceev xwm tseem ceeb tau them nyiaj tiv thaiv tus poj huab tais, kuj tseem ua haujlwm tiv thaiv "cov qub txeeg qub teg tam sim ntawd," uas yuav suav nrog Prince Charles, Prince William thiab Prince George.
Puas puas muaj kev puas siab puas ntsws kwv yees tus cwj pwm phem?
Multivariate tsom xam tau lees paub tias kev puas siab puas ntsws loj mob ib leeg tsis tau kwv yees ua phem ua phem; es, keeb kwm, kev xav, thiab cov ntsiab lus tau cuam tshuam nrog kev ua phem rau yav tom ntej. Puas muaj kev cuam tshuam ntawm kev mob hlwb thiab kev coj ua txhaum cai?
Hom twg muaj elaters?
- Elaters feem ntau pom nyob rau hauv liverwort hom, lawv yog cov hlwb uas muaj lub raj zoo li uas muaj thickening uas nyob rau hauv ib tug kauv zoo, cov no muaj nyob rau hauv lub spore capsules. thiab pab tau thaum lub sij hawm spore dispersion.
