Cov txheej txheem:
![Peb qhov ntom ntom nyob ntawm qhov txwv yam twg? Peb qhov ntom ntom nyob ntawm qhov txwv yam twg?](https://i.answers-medical.com/preview/medical-health/14060723-what-are-three-density-dependent-limiting-factors-j.webp)
Video: Peb qhov ntom ntom nyob ntawm qhov txwv yam twg?
![Video: Peb qhov ntom ntom nyob ntawm qhov txwv yam twg? Video: Peb qhov ntom ntom nyob ntawm qhov txwv yam twg?](https://i.ytimg.com/vi/BrEqxXTQKmI/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Sau peb ntom - nyob ntawm tej yam thiab peb ntom - yam ywj pheej uas tau txwv kev loj hlob ntawm cov pejxeem. Qhov ntom - yam tseem ceeb : kev sib tw, kev xav ua ntej, kab mob sib kis, thiab kab mob. Qhov ntom - yam ywj pheej : kev puas tsuaj ntuj tsim los, caij raws caij nyoog, huab cua txawv txawv, thiab tib neeg kev ua si.
Kuj paub, dab tsi yog qhov ntom ntom nyob ntawm qhov txwv yam?
Cov yam tseem ceeb yog yam uas cuam tshuam rau qhov loj lossis loj ntawm cov pejxeem sib txawv nrog cov pejxeem ceev . Muaj ntau hom density dependent limiting yam xws li; muaj zaub mov noj, muaj tsiaj txhu, kab mob, thiab tsiv teb tsaws chaw. Txawm li cas los lub ntsiab yam yog muaj khoom noj.
Qhov thib ob, dab tsi yog qhov sib txawv tseem ceeb ntawm qhov sib txawv ntawm qhov txwv qhov txwv? Piav txog sib txawv ntawm qhov ceev - nyob ntawm qhov txwv txwv thiab a ceev - ywj siab yam . Qhov ntom - ywj siab txwv yam cuam tshuam rau cov pej xeem txawm lawv loj npaum li cas los xij; ceev - nyob ntawm ib qho cuam tshuam rau cov pej xeem tsuas yog thaum tus naj npawb ntawm cov kab mob mus txog ib theem.
Ib sab ntawm qhov no, uas yog qhov kev ywj pheej ywj pheej cuam tshuam rau kev loj hlob ntawm cov neeg?
Qhov ntom - yam ywj pheej , xws li dej nag, dej qhuav, lossis muaj kuab paug, tuaj yeem ua tau txwv cov pejxeem , tab sis lawv tsis tshua muaj kev tswj hwm pejxeem vim lawv ua tsis xwm yeem, tsis hais txog ntawm pejxeem ntom . Cov voj voog ntawm kev loj hlob thiab poob txwv ib co predator thiab prey pejxeem.
Dab tsi yog 4 qhov piv txwv ntawm qhov sib txawv raws qhov txwv qhov txwv?
Qee qhov piv txwv ntawm qhov ntom ntom-dependent limiting yam muaj xws li:
- Kev sib tw hauv cov pejxeem. Thaum cov pejxeem nce mus txog qhov ntom ntom ntom ntom ntom ntom, muaj ntau tus tib neeg sim siv tib qhov peev txheej.
- Predation.
- Kab mob thiab cab.
- Khib nyiab pov tseg.
Pom zoo:
Qhov chaw nyob ntawm thawj lub tsev kawm qib siab kho hniav nyob hauv ntiaj teb nyob qhov twg?
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Dr. John M. Harris tau pib lub ntiaj teb thawj lub tsev kho hniav hauv Bainbridge, Ohio, thiab tau pab tsim kho hniav raws li kev noj qab haus huv. Nws qhib rau 21 Lub Ob Hlis 1828, thiab niaj hnub no yog tsev khaws puav pheej kho hniav. Thawj lub tsev kawm kho hniav, Baltimore College ntawm Kev Kho Hniav, tau qhib hauv Baltimore, Maryland, Asmeskas xyoo 1840
Yuav ua li cas ob lub ntsiab lus pib ntawm ib qhov chaw cuam tshuam nrog nws cov neeg txais khoom ntom ntom?
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Yuav ua li cas ob lub ntsiab lus pib ntawm ib qhov chaw cuam tshuam nrog nws cov neeg txais khoom ntom ntom? Qhov ob-taw tes pib ntawm qhov chaw cuam tshuam nrog nws cov neeg txais khoom vim tias qhov ntom ntom ntawm cov neeg txais khoom yog, nyob ze ua ke lawv nyob hauv qhov chaw ntawm qee qhov chaw
Koj xav tias qee qhov ntom ntom nyob ntawm qhov txwv qhov yuav yog dab tsi?
![Koj xav tias qee qhov ntom ntom nyob ntawm qhov txwv qhov yuav yog dab tsi? Koj xav tias qee qhov ntom ntom nyob ntawm qhov txwv qhov yuav yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13928889-what-do-you-think-some-density-dependent-limiting-factors-might-be-j.webp)
Cov kev txwv rau kev loj hlob ntawm cov pejxeem yog qhov ntom ntom lossis qhov ntom ntom-ywj siab. Qhov ntom ntom-yam muaj xws li kab mob, kev sib tw, thiab kev ua tsiaj. Nrog kev sib raug zoo, cov kev txwv no nce nrog qhov loj ntawm cov pejxeem thiab txwv kev loj hlob raws li cov pejxeem loj zuj zus
Lub qhov hluav taws xob nyob qhov twg nyob qhov twg?
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Lub plab feem ntau yog nyob rau sab laug sab saud sab hauv qab lub diaphragm thiab txuas nrog zoo dua rau txoj hlab pas thiab nyob deb rau duodenum
Dab tsi yog qhov txwv tsis pub nyob sab hauv cov retina thiab yuav ua li cas yam zoo sib xws yam tsis muaj nws?
![Dab tsi yog qhov txwv tsis pub nyob sab hauv cov retina thiab yuav ua li cas yam zoo sib xws yam tsis muaj nws? Dab tsi yog qhov txwv tsis pub nyob sab hauv cov retina thiab yuav ua li cas yam zoo sib xws yam tsis muaj nws?](https://i.answers-medical.com/preview/medical-health/13972378-what-is-lateral-inhibition-in-the-retina-and-how-would-things-look-different-without-it-j.webp)
Cov duab sib txawv hauv lub qhov muag teb rau qib sib txawv ntawm lub teeb. Qhov no ua rau cov npoo nruab nrab ntawm thaj chaw pom kev thiab tsaus ntuj tshwm tuaj ntau dua li qhov lawv yuav tsis yog. Piv txwv li, tsis muaj kev cuam tshuam rau sab nraud, ciam teb ntawm cov pobzeb dub thiab ib ntus pobzeb yuav pom tsis pom tseeb