Mapangidwe, Sekondale ndi sukulu
Evolution - ndi chodabwitsa bwanji? kusanduka zinthu. Zamoyo wa munthu ndi anthu
Tsopano, ngati malo ndi kuchoka m'malo mwake, kulankhula za kusanduka. Koma izi - ndi sayansi akuti, ndi ntchito pang'onopang'ono. amakhulupirira kwambiri kuti zinthu - izo patsogolo. Kuti mwa zodabwitsazi kumvetsa vutoli chitukuko chilichonse ku zocholoŵana, kuchokera koipa kwa bwino. Mosiyana ndi zimenezi, pali zamoyo ndi maganizo "Kukokoloka", umene ndi mgwirizano kwa Wopanda achikale. Poyamba, mawu amenewa ntchito poyerekezera ndi chitukuko cha mitundu. Koma tsopano, ukulu kukodzedwa. Mukhoza kulankhula za zamoyo wa anthu, ufulu ndi mawu ena, kunena pang'onopang'ono msanga chitukuko ndi kusintha. Zidzakhala kulakwa kuganiza kuti mawu akuti anayambitsa Charlz Darvin. Ndipotu m'buku lake "Pa Origin of Species," izo kangapo ntchito mawu akuti "chisinthiko", imene anagwiritsa ntchito kuti embryologists. Kodi kwenikweni akutanthauzanji oti "chisinthiko"? Dziwani izi.
Origin akuti
Kwenikweni, mawu Latin kuti "evolutio" anamasuliridwa kuti "analamula." Tinganene kuti zinthu - gulu la nkhani organic ndi mphamvu mu nthawi. chakuti zamoyo zonse evolves, ndikuganiza ngakhale kalelo, nzeru ena a Sukulu Mileto. Mwachitsanzo, Anaximander moyenerera ankakhulupirira kuti nyama woyamba waterfowl kenako udzatheka landfall. Empedocles komanso wopanda chifukwa chokhulupirira kuti kupulumuka mu chikhalidwe okha kwambiri yosayenera kwa zinthu zachilengedwe wa munthu. zipembedzo zazikulu za dziko kwa zaka mazana ambiri asiya mwawi ngakhale chibwibwi kuti nyama ndi zomera akhoza kusintha. Iwo anakhulupirira ndipo ankati Mulungu pachiyambi analengedwa zonse zooneka ndi momwe izo ziriri tsopano. Monga Mlengi wa kumwamba ndi dziko lapansi wangwiro, iye analibe kulenga mitundu ya nyama ndi zomera akufunikira chitukuko. Ndipo munthu, Adamu, Iye analenga kale pa siteji ya sapiens Homo. Woyamba wodzichepetsa mawu kuti mitundu akhoza kusintha ndi kutulutsa ena, anamveka okha kumapeto kwa zaka za m'ma XVI. Mu 1751 ku French zachilengedwe Maupertuis analemba kuti zamoyo zikhoza kusinthidwa chifukwa cha anasonkhanitsa pa mibadwo yambiri cha masinthidwe. Ndipo Erazm Darvin (agogo a Charles) kuika patsogolo chiphunzitso chakuti magazi ofunda nyama zonse ali mbadwa bakiteriya limodzi.
Zamoyo ndi embryology
Choyamba anayamba kulankhula za zodabwitsazi madokotala amene amaphunzira akalandire chithandizo chitukuko cha mwana wosabadwayo. Kunapezeka kuti Ndisanaumbidwe m'kati kukula ndi mapangidwe udzadutsa magawo angapo. Kuchokera dzira yosavuta ubwamuna kumakhaladi wokonzeka ndi kudzikonda moyo wa chamoyo. Ndipo chitukuko ichi Ndisanaumbidwe umadutsa siteji ya kukhalisana ndi makutu. Kwa nthawi yoyamba mawu akufotokozedwa ndi yodziwika mu 1762 ndi S. Bonnet. Pamene ntchito kwa mwana wosabadwayo, kusanduka - ndi pang'onopang'ono ndipo koposa zonse, kusintha zachilengedwe ku gawo limodzi la chitukuko ndi mzake.
chopereka Darwin
The kwambiri British wasayansi ndi zachilengedwe kusintha malamulo kale ntchito liwu ndi ntchito kwa zinthu zonse zamoyo padziko lapansi. Inde, ngati Ndisanaumbidwe mwana pa siteji zina za chitukuko ali makutu, ndiye chifukwa chake sitiyenera kuganiza kuti iyeyo utadutsa miyezi inayi kuti njira imene anapita anthu onse kwa zaka mamiliyoni ambiri? Ntchito zake "The Origin of Species," Darwin ananena kuti njira ya zikamera wa zatsopano, pamodzi ndi katundu cholowa ndi magawo a thupi sitikudziwa. Wasayansi anayesa kuwafotokoza mu "Nthawi chiphunzitso pangenesis." zinthu Natural kulenga munda kusankha zamoyo. Mwayamba yekha anthu amene anakwanitsa atengere chilengedwe. Iwo kusonyeza chosiyana zizindikiro zawo (yatsopano) mbadwa, pamene anthu Kalanga kufa. Iwo likukhalira kuti kwachilengedwenso kusanduka - ndi masoka njira imene zamoyo mwa kusankha zamoyo ndi anatengera kwa zolinga kusintha mutate. Choncho, wasayansi anatsogolera asayansi ku mfundo za chiyambi cha munthu ndi dziko nyama. Kuyenera anati izi kwaiye mkangano waukulu, umene sanaime ngakhale tsopano.
Athandiza Hugo De Vries
Izi katswiri Dutch amene ankakhala kumapeto kwa XIX ndi XX zaka, anayambitsa mu ulimi sayansi, mawu akuti "kusintha". Iye kusintha malamulo zamoyo zinachita kusintha zokha wodzilemekeza ndiponso opaleshoni nthawi yake geneticists. kungoganizira wake anali ndi chitsanzo cha chilombo Primrose Lamarck. Ngati zamoyo kusanduka - pang'onopang'ono, mwapang'onopang'ono, wambirimbiri ku mbadwo umodzi chitukuko china, ndiye Hugo De Vries kusintha kumachitika mwadzidzidzi chifukwa cha masinthidwe "opindulitsa". masinthidwe izi mphamvu ndi mapangidwe mitundu watsopano (lomwe limafotokoza kusiyana kwa chikhalidwe), kapena kusintha mtundu wake. Chikhalidwe chosintha cha masinthidwe amenewa zamoyo wa anthu limene lachititsa chiphunzitso saltationism (ku Latin mawu salto - kulumpha). Mu zaka 20-30 zaka mazana makumi awiri, asayansi kuthetsa kusiyana Darwin ya kutsogolo patsogolo ndi kusintha mwadzidzidzi Vries ndi supplementing zipambano zawo mfundo za chibadwa Mendel analenga chiphunzitso chatsopano. Iwo akhoza monga zamoyo zinachita kaphatikizidwe ano anafotokoza.
Akamanena za maganizo
Choncho, tikhoza kunena motsimikiza kuti zamoyo - chitukuko. N'chifukwa chiyani tili ndi mawu Latin si ntchito, ayenera akulozera bwino, kusintha, patsogolo. Kubwerera m'mbuyo cha zovuta kuti mophweka, "kungomanga" mu maubale amatchedwa kudzitsitsa, pansi. Pankhani mitundu, mgwirizano ngati umawononga iye. Zimadzetsa kutha ake. Paleontology amadziwa zikwi zitsanzo za "akufa mapeto" mu kasinthidwe ka dziko. Ndipo ndi nkhani kulikonse anthu? Amadziwika kuti kale m'gawo la Yakutia ano panali chitukuko patsogolo Deering Yuryakh. Zitsanzo za mgwirizano zingaoneke poyerekezera ndi lamulo kapena asapita zachuma anthu anapatsidwa. Kuletsa ufulu wa kulankhula kapena mwano okwana ufulu wa anthu mu State amalankhula kutha lake zobisika.
Kodi zitenga anthu kwachilengedwenso kusanduka
Ndipo komabe, kodi chikuchititsa zonsezi akupanga zamoyo mutate ndi kulenga mtundu watsopano wa nyama? Ife tikudziwa mtundu Mwachitsanzo, zina mwa nsomba zimene sichinasinthe kwa zaka mamiliyoni ambiri. Ndi kuwongolera chosintha mitundu inkachitika, m'pofunika kuti mupereke zinthu zamoyo zinachita kusintha. Izi makamaka intraspecific mpikisano, imbaenda kusankha zamoyo, ndi kulowerera chibadwa. Ngati anthu ali mu chilengedwe yabwino, anthu ambiri amabadwa, angati kupulumuka pa kumbuyo kwa m'munsi, ndipo nthawi yomweyo olekanitsidwa nyama zina za mtundu chawo, genotype ndi zambiri kapena zochepa zomwezo. Cha mtundu umenewu sipafunika kusintha mutate ndi kusintha. Koma ngati mmene chilengedwe kusintha, kapena pali funde la chonde, pali mpikisano pakati pa anthu - chimodzi mwa zifukwa kusintha maonekedwe. Champhamvu kwambiri ndi kusinthidwa anatengedwa chakudya kuchokera kwa abale awo ofooka, ndi maziko a chiwonongeko, kusiya genotype awo ana a. A mbiri banja - ndi chinthu china chimene kusanduka - amakhazikitsa "zabwino" kusintha, kusintha, ngati khalidwe mitundu.
Anthu - pamwamba pa chitukuko?
Anthu kusanduka, kapena zamoyo wa munthu - ndi yaitali komanso wovuta njira imene panali Homo sapiens. Iye anaima pakati pa hominids ena miliyoni zapitazo. Ndi chiyani chinachitika pa nthawi imeneyo ku Africa, kuti anyani anakakamizika kusiya nkhalango ndi kusamukira Savannah, kuti adziwe kuyenda pa miyendo yakumbuyo, kupanga zida, pogonjetsa moto? kusanduka anthu anatenga njira zotsiyana ndi nyama. Ngati kusintha posachedwapa atengere chilengedwe, anthu apanga njira atengere zikhalidwe za dziko kuti zigwirizane ndi zosowa zawo. Pa njira ya zinachita munthu wololera komanso "akufa mapeto" chitukuko. Mwachitsanzo, Homo erectus kapena Neanderthal.
Kodi pali kusanduka anthu?
Mfundo imeneyi komanso nkhawa maganizo a asayansi. Makamaka pankhani kupita patsogolo ndi wamakono. Tinganene kuti zinthu - sikutha chikhalidwe? Pankhani patsogolo sayansi ndi luso, tingakhulupirire kuti pali wina. Anthu kuphunzira za malamulo a dziko lino. Iwo akulandira umisiri watsopano ndi kuwagwiritsa kulenga zida chipangizo kwambiri. Koma chitsanzo cha chitukuko si choncho yosalala. Ndipotu anthu - ndi mtundu wa zazikulu-chamoyo. Kukhoza mutate, kusintha. Ngati ndi lotseguka kuti "implosion latsopano majini" - izo kukhazikitsa. Ngati amasankha njira ya kudziletsa kudzipatula, izo silingayende kudzitsitsa. kusanduka Social zimaoneka osati patsogolo luso, komanso kukhazikitsa magulu ndi lamulo.
Kuukira ndi Evolution
ubwenzi wosakwiya, kupata ndi spasmodic, kusintha mwadzidzidzi anthu ndi akatswiri yaitali chidwi ndi asayansi ndale. Ponena za zamoyo wa anthu, tisaiwale kuti kusintha chidwi kwambiri zimachitika chifukwa cha kusintha. Nthawi zina kusintha awa ndi magazi. Chitukuko ichi boma ayenera kukhala ndi mtima wofuna kupita pa kusintha. Ngati kalasi chigamulo amakufunirani kukhala mphamvu ndi kupondereza dissent, kuphulika chikhalidwe mosalephera.
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