ib feem ntawm cov cell uas muaj palisade thiab spongy txheej, Cov ntaub so ntswg hauv av ntawm nplooj, sandwiched ntawm sab sauv thiab sab epidermis thiab tshwj xeeb rau photosynthesis.
Nplooj nplooj ntoo nyob qhov twg?
Cuticle: Ib txheej waxy uas tiv thaiv dej los ntawm evaporation. Lub cuticle yog pob tshab thiab nyias heev kom tso cai rau lub teeb nkag siab tshaj plaws. Upper Epidermis: Ib txheej tiv thaiv ntawm cov hlwb uas tsim cov cuticle.
Koj puas tuaj yeem tau txais ib ntu ntawm nplooj ntoo?
Nrog rau kev xyaum koj tuaj yeem tau txais cov khoom zoo ntawm cov khoom nyob. Muab ib daim nplooj rau ntawm ib tug swb nyob rau hauv ib tug tee dej thiab ces nteg ib tug swb hla thawj ntawm 90 degrees. Tuav tus swb sab saum toj kom nws tsis txav.
Nplooj ntawv yog dab tsi?
Seem ntawm nplooj: chlorophyll uas muaj qhov loj hlob ntawm qia lossis ceg; qhov chaw ntawm photosynthesis. Cuticle: nyias daim tawv nqaij ntawm nplooj. Upper epidermis: txheej txheej ntawm nplooj. Spongy mesophyll: txheej txheej ntawm cov hlwb tsim cov txheej hauv nruab nrab ntawm nplooj. … Stoma: lub cev ntawm cov nplooj uas tso cai rau pauv cov pa roj.
Dab tsi yog seem hauv ib lub xovtooj?
(Science: anatomy) a transverse txiav los ntawm cov qauv lossis cov ntaub so ntswg. Qhov opposite ntawm ib tug ntoo khaub lig-section yog ib tug longitudinal seem. Los ntawm kev sib piv, qhov kev tshawb fawb yuav yog ntu ntu lossis ntev.
