Nyora zvinhu kare nehove ano cartilaginous. zvinhu zvavo

Munyaya ino zvakafanira kunyora zviratidzo yekare hove ano cartilaginous. Izvi zvinosanganisira stingrays uye Sharks. Zviri pamusoro pavo uye vachaitwa mberi kukurukurwa.

Sharks uye mwaranzi: neimwewo muchidimbu

Sezvambotaurwa, kirasi iyi hove, boka cranial, kunoshamisa vamiririri inova mwaranzi uye Sharks. Vanoverengeka gumi nevaviri mhando mukirasi iyi ndiyo vakasara mapoka yekare. Sepakutanga taitarisira nokuda kushaya marangwanda hakuiti vaitwe boka remhuka prehistoric. Asi nokuda kwezvikonzero zviratidzo zvakadai link ariko.

List zviratidzo yekare

Chekutanga, vane zvakadai zvakakurumbira sezvo pasina dzinoshambira dundira. Chechipiri, vasina dakashwa rinofukidza pachavo gills vane chinyakare yakarongeka. dakashwa slits All, akavapindurawo, anovhura kunze yakazvimirira yokutanga. All izvi kutaurwa zvinhu zviri yaingowanikwa nehove yekare. Panyaya iyi, vanofanira kuramba tichinoona zvitange. The kweropa kwava kuti ishande anyatsobudirira, mwoyo une ropa cône chimiro runogonesa kuti kunyatsoshanda wokufambisa. Asi chepfungwa rehove riri simba tsandanyama muviri, izvo zvinobatsira kupomba ropa rose muviri, sezvo mumwoyo Sharks havasi kujairana dzakakwirira zvinorema.

Zvakakosha kuramba uchatamisa Zvimwe zvikuru yekare Mumagazini hove ano cartilaginous. Chechitatu, ndiye anatomical nemamiriro muviri akazoita kukweshera mvura, nokudaro vachiwedzera kumhanya kufamba. Mukuwedzera, choutsi chakavanzika kunodzivisa kubatana zviri chisvetasimba nemuviri hove uye vamwe zvakadini anovadzivirira pamusoro mamwe mabhakitiriya.

Chechina, cartilaginous muromo hove yokutanga hwakarongwa transversely, kuti maitire nokuda hove yekare, pamberi riri mujinga yakagadzirwa (pachikuva), shwashwa aumbwa, chivakwa kwese Somuenzaniso, Sharks. Chechishanu, muviri akafukidzwa chikero placoid.

Wechitanhatu, kwete zvakazara kutendeukira kunyora zviratidzo yekare cartilaginous nehove ano zvizere, kana asina kufunga peculiarity kwavo kubereka. Nokuda kwaizvozvo ivo vanonyanya dzakashandisa mamiriro chokuvapo kupfuura, muti, hove mhou, izvo emit hapana waidzivirira mutambo kuti vazviriritire. A chinokosha chikamu caviar anoramba unfertilized. Sharks Most uye mwaranzi mutumbi embryo chokuita mai pashure imwe "Vana Nzvimbo", iro rakafanana placental mhuka. Kana akavata vachipfeka gobvu goko mazai makuru, azvinyike mujecha.

The womukati nemamiriro hove mukirasi

Ngatimbotaura pamusoro womukati nemamiriro hove, izvo zvinogona kunzi kune boka shwashwa, kuti chikara uye yakajeka vamiririri mukirasi ichi, sezvinoita shark.

Muscle Shark hurongwa chinosanganisira myomer, yakatanga. Myomere - tsandanyama zvikamu. Tsandanyama dziri chazarurirwa kwazvo neropa, sezvo rehove sangano - ndizvozvo upenyu. Kuti Shark ropa shure mwoyo, chete kumanikidza kunotangira mumwoyo, haangakwaniri. Pasina Urinary turakiti uye itsvo ari chepfungwa womukati maumbirwo vamiririri izvi (kunyanya polar Sharks). The zvinokachidza zviri shambidza ropa uye yabudiswa kuburikidza ganda chete kunze chikara. Gill slits iri pamusoro pechiso muviri uye hwomukova kuti kunze uye vakapinda huro. Sezvinotsanangurwa pamusoro: shark hapana dzinoshambira dundira, ichi ichokwadi kunyanya nokuda pamusoro dzakanyorwa vekare zvinhu ano Sharks uye mwaranzi. Kuwedzera zvikuru basa, chiropa anoita somunhu chikamu dzinoshambira dundira. Chinokosha chiropa encombrements. Uyewo, basa iri zvishomanana akatora pamusoro rwatata uye gallbladder.

mhedziso

Saka, tine zvinorondedzerwa uye dzakanyorwa zviratidzo yekare nehove ano cartilaginous inosimbiswa zvinhu marongerwo adaptations kurarama mumamiriro ezvinhu akafanana nehove yekare.