Les ukrebe babe nesantya esicothayo sokukhula kwaye ke babe namaxesha amade kakhulu okuvuthwa ngokwesondo. Ngokuxhomekeke kwiintlobo, zifikelela kumthamo we ukuvelisa kwakhona phakathi kwe-2 kunye ne-20 yeminyaka ubudala. Amaqanda achunyiswa ngaphakathi.
Ookrebe babelana njani ngesondo? Ngexesha lokukhwelana, i ukrebe inkunzi ibambelela ngobundlobongela kwiphiko lemazi ngokulunywa, de ibe yi coitus. Kwiintlobo ze-viviparous ezifana ukrebe grey, iimbumba zikhula kwisibeleko sikamama kwaye abancinci bazalwa sele benziwe. Imazi inokuzala i-1 ukuya kwi-16 encinci.
Bazala njani ookrebe abamhlophe?
Ukuveliswa kwenkulu Ukrebe omhlophe
Into yokuzala iyaziwa kancinci kwaye ixesha lokumitha alichanekanga. Isilwanyana si-ovoviviparous kwaye amaqanda aqanduselwa kwisibeleko. Ukumitha kuya kwahluka ukusuka kwiinyanga ezili-12 ukuya kwezili-18, yaye imazi ayikwenzi oko se ziya kuvelisa kuphela emva kweminyaka emibini.
Bazalwa njani ookrebe abamhlophe?
I-ovoviviparous: amaqanda akhula kwaye aqanduselwe kwisibeleko sowesifazane, kunye ne-uterine cannibalism (njengamanye ama-lamnids). Ixesha lokumitha alikaziwa, kuba kude kube ngoku alikaze libonwe ukukhwelana kwenkulu Ukrebe omhlophe. Kuqikelelwa phakathi kweenyanga ezili-12 nezili-18.
Izala njani imitha?
Abanye imitha zi-oviparous (zibeka amaqanda) ngelixa ezinye zi-ovoviviparous, zizala abantwana abancinci se ukukhula kwisibeleko, kodwa ngaphandle kwe-placenta. Iqanda ngalinye likwi-capsule exhathisayo ebizwa ngokuba yi-mermaid purse.
Bazala njani ookrebe abamhlophe?
Ukuveliswa kwenkulu Ukrebe omhlophe
Into yokuzala iyaziwa kancinci kwaye ixesha lokumitha alichanekanga. Isilwanyana si-ovoviviparous kwaye amaqanda aqanduselwa kwisibeleko. Ukumitha kuya kwahluka ukusuka kwiinyanga ezili-12 ukuya kwezili-18, yaye imazi ayikwenzi oko se ziya kuvelisa kuphela emva kweminyaka emibini.
Ubiza ntoni ukrebe oselula?
Ngendlela efanayo, usapho lweSqualidae lubandakanya amancinci ukrebe ebizwa ngokuba "dogfish sharks" (Izicelo dogfish) kunye ne-etymology ye-canine ifumaneka kwi-Italian pescecane ("dogfish").
Ngowuphi owona krebe uyingozi ehlabathini?
Phakathi kwabo banoxanduva lokulunywa emadodeni, sifumana kunye ngokuqhelekileyo: enkulu ukrebe Mhlophe ; i ukrebe-ingwe; i ukrebe-i-bulldog.
Uphi owona mmandla mkhulu wookrebe abamhlophe?
NGAPHANTSI KOLWANDLE - Malunga neemitha ezilikhulu ukusuka elunxwemeni, iipatroli zase-Australia zabona ukrebe omkhulu oMhlophe ngubani na oya kulinganisa kunye yeemitha ezisixhenxe kwaye iya kuba njalo inkulu intlanzi unyana iintlobo ezibonwa ngabantu. Izaziso zoku ookrebe imbonakalo eqhelekileyo kumanxweme aseOstreliya.
Ngubani utshaba lukakrebe omhlophe?
Akukho mathandabuzo que abaninzi babafundi bethu baya kumangaliswa kukufunda que kakhulu ukrebe omhlophe ngokwakhe wothuswa ngu a irhamncwa ngaphandle kosizi: i-orca eyoyikekayo.
Ookrebe banabantwana njani?
Le ukrebe-umnenga i-oviparous, njengeentaka. Izalela amaqanda athi emva koko akhutshelwe elwandle, Iqanda ngalinye kula lincamathele ematyeni anemicu. Ngaphakathi, i-embryo ikhula kangangeenyanga ezi-6 ukuya kwezili-10 ...
Bafunyanwa phi ookrebe?
Sifumana kakhulu Ukrebe omhlophe kwiindawo eziselunxwemeni lolwandle olupholileyo, it Est ngamanye amaxesha zikhona kulwandle olushushu. On le fumana ubukhulu becala eMzantsi Afrika, eOstreliya, eNew Zealand, kunxweme lwePasifiki eUnited States naseMexico, njengesiqithi saseGuadalupe, yaye maxa wambi kwiiCaribbean.
Bafumaneka phi ookrebe ehlabathini?
Les ukrebe zikhona kuzo zonke iilwandle kunye neelwandle zehlabathi, ngaphandle kwe-Antarctica. Ezinye iintlobo, ezifana ukrebe- i-bulldog (i-Carcharhinus leucas), iyakwazi ukuhlala emanzini amatsha okanye anetyuwa encinci (imilambo, imilambo, amachweba, amachibi).
Ihlala phi imitha?
Les imitha zi-benthic chondrichthyans (intlanzi ene-cartilaginous skeleton). Bona phila emazantsi eshelufu yelizwekazi ukuya kuma-acres. Igama le imitha idibanisa iindidi ezininzi zosapho olunye iRajidae.
Imitha inxibelelana njani?
Unxibelelwano lwabo lusekelwe ekukhutshweni kwengxolo. Abo bahlala elwandle naselwandle baye baqhelana nemeko-bume yabo. Ngaloo ndlela baye baphuhlisa inkqubo ehamba ngaphaya kombono kuba ukusuka kubunzulu beemitha ezili-100 kunzima ukubona ngokucacileyo.
Izalwa njani imitha yeManta?
La manta ray yolwandle, njengaye manta ray i-reef, i-ovoviviparous. Emva kokukhwelana, imazi ikhupha iqanda eliqandusela kwisibeleko sayo. “Elincinane” liya kuhlala lihleli esibelekweni sikanina de libe likhule ngokupheleleyo yaye lilungele ukujamelana nobukho bayo baselwandle.
Ngaba kukho ookrebe abamhlophe kwiMeditera?
Ewe, sithetha nge Ukrebe omhlophe ! Enyanisweni, nguye ifakiwe Méditerranée ixesha elide kakhulu, kwaye ngokuthe ngqo iminyaka eyi-3.2 yezigidi! On iyinto qu'kuzo zonke, bona kufuneka ibe malunga nekhulu labantu ukuze bavele kude nonxweme kwaye ngakumbi enzulwini.
Ngoobani amaxhoba okrebe omkhulu omhlophe?
Orcs, ababulali abangenaloyiko.
Zeziphi iintlobo zokrebe?
Kukho ngaphezu kwe-530 iintlobo ze ukrebe eyaziwayo, kodwa nantsi ezona zixhaphakileyo:
- i-megalodon (iintlobo ezingasekhoyo)
- kakhulu ukrebe Mhlophe.
- le ukrebe imvukuzane.
- le ukrebe -ingwe.
- le ukrebe i-bulldog.
- le ukrebe ilamuni.
- le ukrebe Mako kunye ne ukrebe intlanzi yokuzingela eluhlaza okwesibhakabhaka.
Loluphi udidi lukakrebe?
Namhlanje, ookrebe kunye nemitha yeklasi ye IiChondrichthyes, oko kukuthi, bayinxalenye ye intlanzi ye-cartilaginous, kunye neetshimera. Benza udidi oluphantsi lwe-Elasmobranchs (okanye ngaphambili iiSelakhians). Imitha nookrebe ngoku zijongwa njengamaqela amabini oodade.
Kutheni ookrebe benepipi ezimbini?
Kutheni ookrebe-babo deux umthondo? Asazi kutheni ookrebe amadoda zibe zimbini umthondo, kodwa siyazi indlela ezi deux amalungu avela ngexesha lendaleko. Ngokwenene luhlengahlengiso olulingeneyo lwe deux amaphiko e-pelvic, inxalenye yangaphambili eguqulelwe kwi-copulatory organ.
Ngubani oyena krebe umhle?
Le Ukrebe-sagrin
“Ayinabungozi”, yonaEst ilizwi elibuyela emlonyeni wabo bonke abantu asebesebenzile ukrebe sagrin.
Bafunyanwa phi abona krebe bayingozi?
Ezi ntlanzi sont ngoko kuyo yonke indawo kodwa kwezinye iindawo zehlabathi zininzi yingozi kunabanye. Le yimeko yaseOstreliya apho aba bathathu kakhulu eyingozi ngakumbi - ukrebe Mhlophe, ukrebe-tiger kunye ukrebe ibulldog - sont ichongiwe. Yeyona kunye yoyikwa ukrebe.
Ngowuphi ukrebe ongoyena krebe unobungozi?
Ipleyiti ebonisa ookrebe abangahlaseli pas indoda: ukusuka phezulu ukuya ezantsi, ukrebe ngeeflange, ukrebe-umnenga (utya iplankton), ukrebe-i-roussette okanye i-roussette; ukrebe-peregrine (kwakhona plankton), kunye ukrebe-Fox.