1: cov ntaub so ntswg ntawm cov noob tau los ntawm lub nucellus thiab tso rau sab nraud rau lub hnab embryo-distinguished los ntawm endosperm.
Koj txhais li cas los ntawm Perispermic noob?
Teb: txheej ntawm cov ntaub so ntswg, muab los ntawm lub nucellus, uas nyob ib puag ncig lub embryo ntawm cov noob hauv qee qhov angiosperms. Kev piav qhia: Qab zib beet, kas fes, thiab kua txob dub yog cov piv txwv ntawm cov noob perispermic.
Cov noob Perispermic muab piv txwv yog dab tsi?
Perisperm: Qab Zib beet, kas fes, thiab kua txob dub yog cov piv txwv ntawm cov noob perispermic. Cov seem ntawm nucellus tshuav tom qab fertilization thiab nqus los ntawm endosperm thiab embryo yog hu ua perisperm. Cov noob uas muaj perisperm yog hu ua perispermic noob.
Lub ntsiab lus ntawm Peri cog yog dab tsi?
Lub perianth (perigonium, perigon lossis perigone hauv monocots) yogqhov tsis muaj kev sib txuas ntawm lub paj, thiab cov qauv uas tsim ib lub hnab ntawv nyob ib puag ncig cov kab mob sib deev, suav nrog calyx (sepals) thiab corolla (petals) los yog tepals thaum hu ua perigone.
perisperm Chav Kawm 12 piv txwv yog dab tsi?
Example: Nplej. Perisperm yog cov ntaub so ntswg muab tau los ntawm lub nucellus uas nyob ib puag ncig lub embryo ntawm cov noob hauv qee qhov angiosperm.
