Ukubunjwa, Imfundo Secondary nezikolo
Veliswa - kukuba eziphilayo leyo? Inkcazo kunye nemizekelo yokuzala endalweni
Veliswa - lo mqondo eziphilayo, apho ezinxulumene neenkqubo ezifana kwezichumiso, iyantlukwano, phinda ngqo, bazale yabo. Le mbono lisetyenziswa ukupeyinta, kodwa isihloko senqaku awusebenzi kule nkalo.
Yintoni na le nokuzala eziphilayo: definition
Self-yokwenzelwa enye yezi ngongoma ibalulekileyo eziphilayo. Inkqubo yokudala uhlobo lwazo kuqinisekisa ubukho okuqhubekayo lweentlobo. Veliswa okanye ukuphinda, kaninzi kubonwa kuphela ngokubhekiselele kwimveliso yenzala lezilwanyana kunye nezityalo. Le yenye yezona zinto ebalulekileyo zonke izinto eziphilayo. Kwelona nqanaba lisezantsi ibizwa ngokuba ukuphindaphindeka imichiza.
Xa kwiseli ukukwazi iseli lokuyivelisa ithetha ukuvela umntu omtsha. Noko ke, eziphilayo multicellular, oko kuthetha ukuba ukukhula ngokutsha. Veliswa kwenzeka ngeendlela ezininzi ezahlukeneyo, sikhatshwe inxaxheba obunobunzima amalungu kunye neendlela zemisebenzi ethile hormone.
amazinga yokuzala
Veliswa - lo mqondo eziphilayo, nto leyo ethetha ukuphindwa nokukotshwa ngohlobo lwazo. Ukwahlula la manqanaba alandelayo:
- Ukukopisha eziphilayo;
- cell ukuzala;
- lokwanda eziphilayo.
khona yokugqibela.
ukuzala ngokweSondo maqanda
Veliswa - yinxalenye yale biology ubukho zonke ukuphila emhlabeni. Xa eziphilayo multicellular ukwahlula maqanda kunye ngokwesondo buphindwe endleleni.
andise kwezityalo kunokuba sezineentlobo ngeentlobo ngeentlobo. Abaninzi multicellular izityalo asezantsi ukuvelisa imbewu maqanda, leyo isenokuba mononuclear okanye polynuclear. Amaxesha amaninzi, iziqwenga wonke amalungu kwezityalo omzimba lungadlala omzimba omtsha ifunyanwa izityalo ezininzi.
Veliswa kunye ixoxo nexoxo liyazigxumela
Meaning ukuzala eziphilayo ziyacaca kuphela by Ukukhetha zendalo. Ekuphuhliseni imfundiso yakhe Charles Darwin, weyiseka ukuba ukuze ngokwanda, eziphilayo kufuneka bakwazi nje kuphela ukuzala kodwa enziwe iinguqu ezithile. Ngoko ke, kwizizukulwana ngempumelelo ngakumbi iya kwenza igalelo elikhulu kuphuhliso ngakumbi uhlobo kwinzala. Ngapha koko, ubukhulu olu tshintsho nenguqu yemfuza kubaluleke ngokukhethekileyo. Kufuneka ibe kakhulu okanye kancinane kakhulu.
Imizekelo kunye neendlela yokuzala endalweni
wenza njani nokuzala eziphilayo? Imizekelo yendlela kunye neendlela baninzi kakhulu. ukuzala, nto leyo ibandakanya indibanisela yemfuza yabazali, indlela ukufumana omzimba omtsha. Ngexesha kokukhulelwa, genomes of isidoda neqanda ziyadibana zenze incwadi enye elilodwa, emva utshintshwano ezininzi iba umbungu. Olu hlobo yokuzala yandile phantse onke amaqela izinto multicellular. Lidla umdla ukusuka kwindawo zebhayoloji umbono, kuba uvuvuzelo.
Veliswa - oku luphawu eziphilayo, apho ikhona kuzo zonke izinto eziphilayo. Veliswa liqinisekisa ukuqhubeka nokuqhubekeka umjikelo wobomi. iindlela nokuzalana baninzi, kodwa kukho ezinkulu ezimbini. Le ukuzala kunye maqanda. Ekubeni zonke izinto babe isakhiwo zeselula, ngoko isiseko zonke iintlobo kunye neendlela yemveliso division cell.
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