Video: Kev hloov pauv thib ob hauv tsev neeg yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tsev neeg Cov txheej txheem Kev kho mob : Thib ob - Txiav txim hloov
Thib ob - xaj hloov koom nrog tsis yog tus cwj pwm xwb, tab sis kev hloov , los yog "kev ua txhaum cai," ntawm cov cai ntawm lub system nws tus kheej. Yog li thib ob - xaj hloov tuaj yeem tshwm sim rau tag nrho lub cev thiab / lossis rau ib tus tswv cuab ntawm qhov system, thiab nws tuaj yeem tshwm sim rau ib tus neeg thoob plaws ntau lub tshuab
Kuj nug, qhov kev hloov pauv thib ib thiab thib ob hauv tsev neeg kho yog dab tsi?
Ib qho system muaj peev xwm hloov nyob rau hauv ob txoj kev: (1) Tus kheej tsis hloov nyob rau hauv ib tug nruam yam tab sis tus qauv ntawm lub system tsis hloov; qhov no yog lub npe hu ua " ua ntej - xaj hloov " (2) Qhov system kev hloov qualitatively thiab nyob rau hauv ib tug discontinuous yam; qhov no yog lub npe hu ua " thib ob - xaj hloov "Qhov no thib ob hom ntawm hloov yog
Qhov thib ob, qhov kev txiav txim thib ob cybernetics tsev neeg kho yog dab tsi? A thib ob - xaj cybernetics mus kom ze saib qhov tseeb ntawm qhov teeb meem raws li linguistically zoo li cov neeg interacting nyob ib ncig ntawm nws, nrog rau cov tus kws kho mob thiab saib xyuas cov neeg koom tes. Nyob rau hauv peb txoj kev, lub tus kws kho mob elicits los ntawm txhua tus neeg nws zaj dab neeg txog kev mob hauv lub tsev neeg.
Ib yam li ntawd, koj tuaj yeem nug, qhov kev hloov pauv thib ob yog dab tsi?
Qhov kev txiav txim thib ob hloov yog tsim txoj kev tshiab ntawm kev pom txhua yam. Nws xav tau kev kawm tshiab thiab koom nrog qhov kev nce qib uas tsis yog kab, kev hloov pauv ntawm ib lub xeev mus rau lwm qhov. Lub hom phiaj yuav ua kom tus neeg coj tus cwj pwm, xav, lossis xav txawv. Nws tuaj yeem piav raws li: Transformational.
Kev hloov pauv thib peb yog dab tsi?
Peb - xaj hloov Tsis yog tsuas yog cuam tshuam txog kev hloov pauv ntawm lub koom haum hauv kev tsom xam tab sis, dhau ntawm nws, cuam tshuam rau qhov chaw dav dav ntawm lub koom haum uas lub koom haum yog tus tswv cuab: lub koom haum kev hloov nws lub koom haum ib puag ncig raws li nws kev hloov nws tus kheej.
Pom zoo:
Dab tsi yog qhov kev hloov pauv hloov pauv?
Kev hloov pauv, hauv molecular biology, yog hais txog kev hloov pauv hauv deoxyribonucleic acid (DNA), qhov twg ib qho (ob lub nplhaib) purine hloov pauv rau (ib lub nplhaib) pyrimidine, los yog vice versa
Dab tsi yog qhov txawv ntawm ib puag ncig kev hloov pauv thiab kev hloov pauv qub txeeg qub teg?
Qhov sib txawv ntawm cov yam ntxwv ntawm cov tib neeg ntawm tib hom yog hu ua variation. Qhov no yog inherited variation. Qee qhov kev hloov pauv yog qhov tshwm sim ntawm qhov sib txawv ntawm ib puag ncig, lossis ib tus neeg ua dab tsi. Qhov no yog hu ua environmental variation
Dab tsi yog kev saib xyuas ntawm kev ruaj ntseg sab hauv txawm tias muaj kev hloov pauv hauv ib puag ncig sab nraud?
Kev saib xyuas ntawm kev ruaj ntseg sab hauv txawm tias muaj kev hloov pauv hauv ib puag ncig sab nraud yog hu ua homeostasis
Dab tsi tsim cov roj siab thiab nws hloov pauv li cas nrog kev hloov pauv hauv kinetic zog?
Gas siab yog tshwm sim los ntawm kev sib tsoo ntawm cov khoom siv roj nrog rau sab hauv ntawm lub thawv thaum lawv sib tsoo nrog thiab tawm dag zog rau ntawm phab ntsa ntim. Tom qab ntawd cov roj yog cua sov. Raws li qhov kub ntawm cov roj nce, cov khoom tau nce lub zog kinetic thiab lawv cov nrawm nrawm
Peb qhov laj thawj tseem ceeb ntawm kev hloov pauv hloov pauv yog dab tsi?
Allele frequencies nyob rau hauv ib tug pej xeem yuav hloov vim plaub lub hauv paus zog ntawm evolution: Natural Selection, Genetic Drift, Mutations thiab Gene Flow. Kev hloov pauv yog qhov kawg ntawm cov alleles tshiab hauv cov noob caj noob ces. Ob ntawm cov txheej txheem tseem ceeb tshaj plaws ntawm kev hloov pauv hloov pauv yog: Natural Selection thiab Genetic Drift