Puas selaginella puas muaj cag?

Cov txheej txheem:

Puas selaginella puas muaj cag?
Puas selaginella puas muaj cag?
Anonim

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: