Kuaj xyuas cov muaj sia nyob nplawm ferns ntawm zaub. Psilopsids muaj ib qho yooj yim dichotomous branching qauv. Koj tuaj yeem pom me me daj sporangia ntawm cov ceg. Whisk Ferns tsis muaj strobili.
pom strobili nyob qhov twg?
A strobilus (plural: strobili) yog ib lub qauv tam sim no ntawm ntau hom av cog muaj cov qauv sporangia-cov kabmob uas sib sau ua ke raws li qia.
YPuas horsetails muaj strobili lossis Sori?
Qee cov horsetails yog dimorphic: qee cov stems tsuas yog vegetative thiab lwm tus tsis ntsuab tab sis have strobili. Lwm cov nroj tsuag muaj strobili ntawm ntsuab stems. Daim ntawv lo daim duab 23-5a. Cov sporangia yog nyob rau hauv khub lub kaus zoo li cov qauv hu ua sporangiophores feem ntau muaj rau sporangia ntawm lawv sab hauv.
YPob ferns puas muaj Sporophylls?
ferns. Txhua frond yog qhov muaj peev xwm sporophyll (sporophyll nplooj) thiab xws li tuaj yeem dais cov qauv uas cuam tshuam nrog kev tsim tawm.
Vim li cas ferns tseem ceeb rau lub ecosystem?
muab microhabitts, nrog rau chaw nyob thiab ntxoov ntxoo rau cov tsiaj me. muab khoom noj lossis tshuaj rau tsiaj, suav nrog tib neeg. ceremonial thiab sab ntsuj plig siv los yog tseem ceeb. colonize cov chaw cuam tshuam raws li ib theem ua tiav.
