Kev tsim tawm yog los ntawm txhais tau tias ntawm cov spores borne nyob rau hauv qab ntawm cov nplooj tshwj xeeb (sporophylls).
YPob Filicinophyta noob?
Tsis muaj noob. Tsis muaj txiv hmab txiv ntoo. Hauv paus, stems thiab nplooj. Xylem and phloem.
YDo Coniferophyta noob?
Lawv kuj tsim spores, tab sis tsis muaj paj. Phylum Coniferophyta yog conifers. Lawv muaj txiv neej thiab poj niam cones rau kev yug me nyuam. … Lawv muaj noob tsim hauv lub zes qe menyuam hauv lub paj.
ferns ua li cas yug?
Ferns tsis paj tab sis reproduce deev los ntawm spores. Muaj ob theem sib txawv ntawm lub neej fern. Mature nroj tsuag tsim spores nyob rau hauv qab ntawm nplooj. Thaum cov no germinate lawv loj hlob mus rau hauv lub plawv me me nroj tsuag hu ua prothalli.
Puas yog fern a Filicinophyta?
Ferns yog cov nroj tsuag hauv Filicinophyta phylum, tseem hu ua Pteridophyta phylum. Lawv nyob nruab nrab ntawm qhov nyuaj ntawm qhov qub qub (piv txwv li, evolutionarily ancient) bryophytes (mosses, liverworts, thiab hornworts) thiab ntau tshaj (los yog tsis ntev los no) noob nroj tsuag.
