Cov ntaub so ntswg yog dab tsi?

Cov txheej txheem:

Cov ntaub so ntswg yog dab tsi?
Cov ntaub so ntswg yog dab tsi?
Anonim

Cov ntaub so ntswg - cog cov ntaub so ntswg yog cov khoom sib xws ntawm cov hlwb ua haujlwm ua haujlwm rau cov nroj tsuag. Txhua cov ntaub so ntswg yog tshwj xeeb rau lub hom phiaj tshwj xeeb, thiab tuaj yeem ua ke nrog lwm cov ntaub so ntswg los tsim cov kabmob xws li paj, nplooj, stems thiab cov hauv paus hniav. Cov ntaub so ntswg cog muaj ob hom: Meristematic cov ntaub so ntswg.

Cov ntaub so ntswg 9 yog dab tsi?

Tissue yog ib pawg ntawm cov hlwb zoo sib xws hauv cov qauv thiab kev ua haujlwm. Cog cov ntaub so ntswg yog ntawm ob hom tseem ceeb meristematic thiab ruaj khov. … Parenchyma, collenchyma thiab sclerenchyma yog peb hom ntaub so ntswg. Xylem thiab phloem yog hom ntaub so ntswg.

4 hom ntaub so ntswg hauv ib tsob nroj yog dab tsi?

Cov ntaub so ntswg tuaj ntau hom: vascular, epidermal, av, thiab meristematic. Txhua hom ntaub so ntswg muaj ntau hom hlwb, muaj ntau lub zog, thiab nyob rau hauv ntau qhov chaw.

Yuav ua li cas cog cov ntaub so ntswg piv txwv?

Cov ntaub so ntswg, piv txwv li, yog cov ntaub so ntswg yooj yim uas npog cov npoo sab nrauv ntawm cov nroj tsuag thiab tswj kev sib pauv roj. Vascular ntaub so ntswg yog ib qho piv txwv ntawm cov ntaub so ntswg complex, thiab yog ua los ntawm ob tug tshwj xeeb conducting ntaub so ntswg: xylem thiab phloem. … Lub xylem thiab phloem yeej ib txwm nyob ib sab (Daim duab 1).

Cov ntaub so ntswg tseem ceeb tshaj plaws hauv cov nroj tsuag yog dab tsi?

Xylem thiab phloem yog ob qhov tseem ceeb tshaj plaws ntawm cov ntaub so ntswg hauv cov nroj tsuag, vim lawv lub luag haujlwm tseem ceeb suav nrogthauj dej, ions, thiab soluble zaub mov thoob plaws hauv cov nroj tsuag.

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