InotungamirwaSainzi

Dynamic vakasarudzwa. Example uchityaira fomu sarudzo

Muna 1859, Chirungu musayendisiti Charles Darwin akabudisa basa rake inokosha "The Origin of Species Achishandisa Natural Selection". Bhuku rino yakatanga akagadzira pedyo ano dzidziso yokushanduka-shanduka. Its uchityaira simba - dzinongoitika selection, izvo zvinozoita rakakamurwa marudzi akawanda, kusanganisira simba vakasarudzwa. Mienzaniso pfungwa iyi, kuti mashoko ari "Origin of Species", akaratidza sei nomazviri kukura upenyu panyika.

Pfupiso guru vakasarudzwa

simba vakasarudzwa musimboti ndechokuti vanhu avo vakagamuchira vamwe kusiyana kubva vanhuwo mitemo nevamwe mhando, vari kuita zvakanaka nzvimbo uye pakupedzisira vanovakunda vapone. Zviri refu uye yakaoma muitiro. Intraspecific kushanduka inobata zvivako zvose uye mitumbi imwe neimwe mhuka. Pachirehwa vose quantitative unhu (kuvapo kana kusavapo kushanduka) uye unhu (divi, countable).

History of mammalian pakukura kunoita vaongorori mienzaniso yakawanda nokufambisa muchimiro kusarudzwa. The kupfuura kugadzikana kuti zviratidzo - nhamba bvudzi por Unit nharaunda, mukanyiwa-siyana nadzo, nhamba masero matsvuku eropa. Panguva mhindumupindu chichiwedzera kukura uropi hwomunhu. A kuwanda zvakasiyana zvinoitwa kuda rakasiyana tsandanyama nemamiriro Árbol muti mumapapu, chiropa chimiro.

zeza mhando

A muzvizhinji kuti zvenguva dzakananga siyana wakadenha vakagwinya vakasarudzwa. Mienzaniso boka iri akatungamirira Darwin pachake. Izvi British Grouse mutsvuku, kwakaitika kubva Norwegian kwemarudzi, tupukanana Madeira, shiri yacho Galapagos Islands. Vose anganzi "negakava marudzi." Ndezvipi dzavo huru zvinhu? Iri fomu zvikuru zvakafanana chitarisiko, asi zviri kufanana nevamwe marudzi kana raikonzerwa kwavari zvenguva matanho kuti zvinhu zvipenyu havazivi pavo yoga mhuka.

Izvi zvipenyu venyama - ndidzo Links mhindumupindu. Zeza mhando - zviri chaizvoizvo zvichiitika vatsva. Vachiri kwete kuparadzaniswa zvakanaka kubva kumadzitateguru avo, asi Wakatotanga pfungwa yokuzvimiririra. Uyu ndiwo muenzaniso guru kusarudzwa kwemhuka. Ivo vasimuke somugumisiro kurwira upenyu. Sezvavanogona vaisakosha kungava neapo kuchinja muchimiro, kana vari chero anobatsira, ivo, hapana mubvunzo, vachasara uye achapiwa nhaka mwana.

Avian simba vakasarudzwa

Kurwira kuvapo - kuchikonzerwa kutamburira zvokudya. Kana maonero asingakwanisi kusimbisa nzvimbo yaro cheni zvokudya, zvichava hazvo kuva nokutsakatika. Mienzaniso nokufambisa chimiro rwokuzvarwa kusarudzwa yakanyatsotsanangura kurondwa pamusoro kudya mhuka.

Chimbofunga zvishoma eshiri. Big Tit nokuti zuva rimwe kudya yakawanda tumbuyu, ane nerechiHebheru muviri wake, uye refu-tailed Tit anounza varo inosimbisa kakawanda zuva rimwe mugove prihvatyvaya 5-6 nehonye. Pied Flycatcher anodyisa mwana kilogram nehonye uye zvipembenene mavhiki maviri. Wren anogona kudya kwegore kusvika mamiriyoni 10 zvipembenene pagore. American kestrels panguva iyoyo zvakafanira kubata kusvika 300 makonzo uye vakawanda shiri duku. Fudza nhiyo dzavo akanunura starlings anogona kuzadza zvitatu birdhouse.

Mumwe nomumwe Muzviitiko izvi - muenzaniso nokufambisa chimiro rwokuzvarwa vakasarudzwa. Zvakachinja mudumbu, ura beaks shiri zvakachinja zvishoma nezvishoma. Vamwe vavo vakakura akaomarara uye iwane, vamwe vava zvikara huru, uye vamwe vakafa, akasiya pasina zvokudya kana kukava zvokudya nharaunda.

zvakazara mhando

Kusiyana-siyana ari zvakapararira munyika chiitiko kuti mhuka kana chirimwa kwakapararira munyika. Darwin kudanawo mhando iyi zvakazara. Yakanga zvavo kazhinji allocates simba vakasarudzwa. Muenzaniso - kurarama munyika dzakasiyana-siyana Eurasia zvavo gava. Anoumba wandei tsaukana siyana, nguva dzose kutsiva mumwe. Makava kuti vanogara kuchamhembe, zvikuru kupfuura makava kuti kurarama rwezasi, ari mapazi ose steppes uye Semi-mumarenje. Vashoma vavo vanogara Central Asia, kunyanya Afghanistan.

Akasiyana-siyana ari gava nyika - mugumisiro shanduka, iyo akaita simba vakasarudzwa. Muenzaniso pachena: nechokuchamhembe mhuka kuva makasimba kupfuura kumaodzanyemba. Izvi kwakabatana okunze uye nevavakidzani ngozi. Panguva kutama, kuti gava nechokumaodzanyemba, chizvarwa chitsva nomumwe kuva maduku somugumisiro duku dzinongoitika zvakasiyana. New vanhu vava dzakashandisa steppes uye mumarenje uye akaramba kukunda sazivikanwa kundima.

Dynamic vakasarudzwa uye zvokudya

All mienzaniso rwokuzvarwa kusarudzwa dzinoratidza kuti mune mumwe kana hunhu anochengeta chaivo nomwero. Kunyange kana siyana itsva zvinotoda nani uye anova chikuru, ayo kutonga pane nguva dzose paunogumira. Pfungwa iyi kunooneka pachayo iri chiitiko kuti munhu ari kuedza kupindira dzinongoitika kwendangariro.

Muna 1911, musi Pribilof chitsuwa pedyo Alaska, akaunzwa mhuka 25 poro. Vanofanira zvakanaka kujaira nzvimbo itsva - muna 1938, vakava zviuru zviviri. Vanhu wakanyanyisa zvikuru, nokuti chii chave kwakakanganisa zvokudya uye yose kwevanhu akazofa. Muna 1950, chete 8 nondo vakasiya pachitsuwa. Zvinoitwa guru kusarudzwa uye mienzaniso inoratidza kuti, kana mhando riri ezvinhu akanaka kwazvo, izvozvo Anowanza massively, izvozvo anoparadza zvakafanira chikafu pachavo, uye pakupedzisira akaurayiwa pachake.

Ndizvo zvazvakaitawo kune Arizona rwenze Keybab apo vanhu vari kuedza kudzorera uwandu mbongoro nondo ndokupfura ose Coyotes uye Cougars uye kunorambidzwa kundovhima. Kunwisa arambe achirema chavagari rakanga pokutangira kutsakatika kuchaita vanhu.

chibhubhubhu kunotouraya

simba vakasarudzwa mashandiro anoita zvisiri zvenguva dzose. Darwin aisagona kunzwisisa kuti pamutemo kuchinja, hwava zvizvarwa itsva zvipenyu. Masayendisiti ari XX remakore vakasvika pakugumisa kuti kune zvinhu zvitsva mune miti nemhuka zvichikonzerwa anongoitika kunotouraya. Vanogona kuonekwa nokungwarira uye chinyararire kunyangarika, asi kana kuchinja kwakadaro zvinobatsira kuti munhu, ivo vanoponeswa uye nhaka ne mwana.

Australia akazarura vokuEurope kuna kondinendi vanhuwo nyuchi, iyo inokurumidza apukuta veko nyuchi ane zvishoma ruma. Iyi ndiyo chokunyepera. chikonzero chake chaiva basa nevanhu. Asi zvinoshandawo dzinongoitika vakagwinya vakasarudzwa.

intraspecific hondo

Kutamburira vapone anogara mukukutu, asi hondo upenyu pakati vanhu uye dzakasiyana-siyana zvakafanana kwemarudzi nemishonga kaviri. Zvinokanganisawo kufanana tsika uye mamiriro muviri.

In Scotland, vari XIX remakore, pakava nebope pakati mhando mbiri thrushes - kuwedzera nhamba missel kwakatungamirira kunyangarika rwiyo thrush. Muenzaniso zviito yokutyaira chimiro rwokuzvarwa kusarudzwa ndechokuti kuRussia, Asian bete mapete kwose kwose kuribvisa hama dzavo hombe.

interspecies hondo

Zvakakosha kuti nemamiriro ose makemikari ari rinonyatsooneka kukanganisa dzimwe zvipenyu kunze. Kazhinji, ndiyo vakwikwidzi avo ose zuva vari kutambura pamwe chete kupona. Saka, utachiona hwacho kuti kurarama pedyo Tigers, akazviratidza zvakafanana okupfura nawo. Vakanga zvakakunakira kuomerera mbava dzomusango.

Mienzaniso kusarudzwa kutyaira mune miti kunogonawo munyaya akapoteredza interspecies hondo. Avanoziva ose voikukka ane hoholkami- pappose. Vanotakura mbeu uye vari chokuita zvikuru munzvimbo dzine vanhu vakawanda, apo pane chirimwa. mamiriro akadaro zvinoita kwete chete kurarama asiwo kuwanda vazhinji. Mbeu kuudzwa zvimwe zvinhu kure anogona kuparadzira nomumhepo uye kuwira pamusoro haisati wakabatwa pasi.

kuwedzera

Pakutanga, kugoverwa kwezvokudya ari mbeu zhinji isina ukama kune zvimwe zvirimwa. Asi chokwadi, ivo vane inokosha kukosha. It iri seedling kukura zvazvingava, kumanikidzwa kubata yakapoteredza zvinomera kunze. Mukutanga nzendo kukurumidza kusimukira nhungirwa vechiduku pizi kana bhinzi. Nokufamba yayo shanduka mbeu dzavo vakatanga kugamuchira guru zvokudya, izvo akavabatsira kutora rinokosha niche munyika makemikari nyika. Species vakwikwidzi pizi nenyimo, havana kugamuchira mukana uyu, vakarasikirwa interspecies tichirwisa akanyangarika pachiso chenyika.

Muenzaniso pamusoro unoratidza kuzotonga inokosha. Kana mhuka uye zvinomera rikawira itsva nyika uye riri pakati vaeni pamberi makwikwi, zvinhu zvoupenyu zvinosiyana zvikuru, kunyange kana mamiriro okunze inoramba zvakafanana. Kuti tiwane nzvimbo mundima itsva, yakaita kuti vatsauke vari kukura kwavo kubva kumadzitateguru avo.

kunonoka sarudzo

Dynamic vakasarudzwa unoshanda ose awa uye zuva nezuva. Iye anoponesa uye kusiya kubatsira kuchinja, nokudaro nani makemikari munhu, zvichienderana nemamiriro ezvinhu hwake. The kusarudzwa anononoka uye imperceptible kuvanhu ziso, asi zviri inexorable. Evolution haagoni kunzi kwezvizvarwa anoverengeka. Kuti aite izvi, masayendisiti vanofanira kudzidza yose Geological eras uye nenguva zviuru kana mamiriyoni isingaperi makore.

The kusarudzwa kungasashanda nokuda zviratidzo, zvingaita sokuti zvikuru vasingakoshi. Somuenzaniso, zvipembenene vanodya mashizha, zvakasiyana girini uye nokuda nokudya nemakwati miti kunoratidzwa mottled pfumbu. Kana ruvara shanduko, zvisikwa izvi zvava kuonekwa uye pangozi nezvikara. Saizvozvowo, nokuti boka ramakwai jena makwayana kuvapo dzinouraya kunyange zviduku dema pachivara.

Kuwirirana uye kwadzakabva

Zviratidzo sentient vanhu vari kuchinja kwete chete pamusana anongoitika kunotouraya, asi zvichienderana nheyo kuwirirana. Chii chiri chaizvo? Kana iwe kushandura chikamu mumwe muviri, zvichaita hazvo kutungamirira nokuchinja dzimwe. Kazhinji dzinokanganisa aya akasiyana-shanduka chinhu chisingatombotarisirwi ehupfumi.

The chikuru basa yokuchinja - mudziyo. Vanogona kuitika mumatanho siyana zvoupenyu. Somuenzaniso, nemhou kako pamusoro yokumusoro muromo une hunhu horny anorovera, anonziwo nestling mazino. Mumazuva okutanga pashure hatching kubva zai, ivo kuiparadza uye kupera. chinangwa chavo chete - kubatsira chicks kuputsa goko. Izvi anonzi embryo mudziyo. Kunoitawo pfungwa dzako kuwedzera kuberekwa mwero uye yakawanda kurwira tipone. Nokuda yakadaro inoita vasingakoshi zvinhu uye mashandiro vakagwinya vakasarudzwa.

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