Cov txheej txheem:

Dab tsi yog bioaccumulation hauv biology?
Dab tsi yog bioaccumulation hauv biology?

Video: Dab tsi yog bioaccumulation hauv biology?

Video: Dab tsi yog bioaccumulation hauv biology?
Video: Food Theory: What's SAFE To Eat After Nuclear Fallout? 2024, Hlis ntuj nqeg
Anonim

Bioaccuulation yog qhov tsuj zuj zus ntawm cov tshuaj, xws li tshuaj tua kab lossis lwm yam tshuaj, hauv lub cev. Bioaccuulation tshwm sim thaum lub cev absorbs ib yam khoom ntawm tus nqi sai tshaj qhov uas cov khoom ploj los ntawm catabolism thiab excretion.

Tom qab ntawd, qee qhov piv txwv ntawm bioaccumululation yog dab tsi?

Piv txwv ntawm bioaccumululation thiab biomagnification muaj xws li:

  • Lub tsheb emission tshuaj tsim nyob rau hauv cov noog thiab lwm yam tsiaj.
  • Mercury tsim nyob rau hauv cov ntses.
  • Cov tshuaj tua kab tsim hauv cov tsiaj me.

Ib sab saum toj, vim li cas bioaccumululation tsis zoo? Bioaccuulation tshwm sim thaum co toxins tsim - lossis sib sau - hauv cov khoom noj khoom haus. Cov tsiaj nyob rau sab saum toj ntawm cov saw zaub mov raug cuam tshuam loj tshaj plaws. Qhov no tshwm sim: Cov tshuaj lom me me - feem ntau yog tshuaj tua kab lossis kev ua qias tuaj ntawm tib neeg kev ua - yog nqus los ntawm cov nroj tsuag.

Ib yam li ib tug yuav nug, dab tsi yog biomagnification hauv biology?

Biomagnification , tseem hu ua bioamplification los yog lom magnification, yog ib qho concentration ntawm cov tshuaj lom, xws li tshuaj tua kab, nyob rau hauv cov ntaub so ntswg ntawm cov kab mob uas kam rau ua nyob rau hauv successively siab nyob rau hauv ib tug noj mov saw.

Biomagnification yog dab tsi thiab nws tshwm sim li cas?

Biomagnification txheej txheem tshwm sim Thaum qee cov tshuaj lom thiab cov kuab paug xws li cov hlau hnyav, tshuaj tua kab lossis polychlorinated biphenyls (PCBs) cov khoom sib txuas nce mus rau cov khoom noj khoom haus los ntawm kev ua haujlwm ntawm ib puag ncig thiab mus rau hauv av lossis hauv dej tom qab ntawd lawv noj los ntawm cov tsiaj hauv dej los yog cov nroj tsuag,

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