Umboni wa zasokoneza kapena atavism zoyamba za magazi ndi ofanana matupi

Mu sayansi, mfundo yofunika ya mgwirizano imatengedwa chiyambi cha moyo padziko lapansi. Ndipo kotero kutsegula, amene amagwira ntchito kwa munthu wa mtundu uliwonse, akhoza zimachitika ena onse. Chifukwa ichi, mwa njira, tinali kuphunzira ntchito za ambiri ziwalo ndipo anayamba njira zochizira matenda oopsa.

Zitsanzo ziwalo analogous ndi magazi

Sitingathe Komabe, zochokera zimakhalira pachibale zamoyo zonse padziko lapansi, kusakaniza magazi ndi matupi ofanana. Zoyambazo kapangidwe chomwecho ndi kukhala yomweyi zoyamba embryonic, kutsimikizira umodzi wa chiyambi (mwachitsanzo, nthambi-manambala, mitundu yosiyanasiyana). Koma matupi ndi nthawi kuchita ntchito yofanana nyama osiyana nacho chiyambi osiyana.

Chitsanzo wamba motikomera - phiko. Ndi tizilombo, mbalame ndi kuchita ndi ntchito zofanana. Koma tizilombo - izo Chitin protrusions padziko kumbuyo, ndi mbalame - forelimbs, kusintha mu ndondomeko chirengedwe. Kufanana chomwecho angaonere pakati pa makutu mu mphutsi za dragonflies ndi nsomba.

maso a munthu ndi nyamayi nawonso adatanthauzira monga matupi ofanana. Ngakhale chofanana, iwo ali mwamtheradi
osiyana mu nyumba. Disolo wa m'diso la munthu liri lokhazikika, ndipo diso yokha ndi outgrowth ya ubongo rudiment. Ngakhale ziwalo nyamayi zithunzi - ndi mapangidwe chivundikiro thupi, imene mandala disolo wakudza kapena ukusunthira kutali ndi diso kumabweretsa chinthu chidwi cha nyama, kukhazikitsa cholinga zolondola.

Zitsanzo kufanizira Taganizirani ngakhale pakati inki monga hemoglobin ndi hemocyanin. Amachitanso kunyamula mpweya, koma dongosolo lawo maselo ali kusiyana lalikulu.

zoyamba

Mu njira zawo zimatsimikizira chiphunzitso cha chiyambi cha moyo atavism ndi zoyamba.

Dama, monga ulamuliro, boma alibe kukwaniritsa ntchito awo oyambirira, pakutayika mu njira ya kusanduka. Koma akhoza kukhala wopanda ntchito zinthu zonse. Iwo nthawi zambiri monga kuchita zinthu zosafuni-.

Mwachitsanzo, mapiko a Nthiwatiwa ndi akhoza limanenedwa ngati ziwalo achikalekale, chifukwa iwo sangathe kulimbana ndi ntchito yaikulu ya phiko mbalame, ndipo anagwiritsa ntchito kukopa zazikazi ndi kukhalabe olimba pamene akuthamanga. Choncho, kuchulukitsa kwa kapangidwe ka thupi lokwanira kuti tisaletse ntchito zake. Ichi ndi chizindikiro cha rudiment a.

Koma phiko la penguin akhoza kukhala monga, popeza amachita zovuta kwambiri ntchito monga chipsyepsye a.

Ndi zoyamba komanso maso ndi Mole Mole makoswe, zomwe mwina saona chilichonse, kapena kusiyanitsa kuwala ndi mdima.

Anthu, khalidwe uyu ali vertebrae caudal, kuti azitha Tinathandiza makolo athu kuukitsa tsitsi pa mapeto, ndi akatumba kwa wiggling makutu. Aliyense ali bwino chokhudza munthu wina - mafuta a cecum (zakumapeto).

atavism

Pamene munthu zizindikiro lililonse ya makolo ake akutali - iyi akutchedwa atavism. Mwachitsanzo, zikamera wa anthu ena olimba thupi tsitsi kapena nsapato zapadera m'mawere caudal mafuta mu zipsepse anthu kapena kumbuyo kwa dolphin a.

atavisms Mwadzidzidzi singalifotokoze pamaso pa majini udindo khalidwe mu DNA lapansi. Koma anasiya ntchito, popeza zochita zawo ndi mosavuta mwa majini ena.

Magazi ndi matupi ofanana, ndi zoyamba za atavism - zonsezi ndi umboni wa umodzi wa angelo kuti padziko Lapansi wamoyo.