Ulwandle olukhulu: ikhaya leminenga
Ulwandle, nobubanzi nobunzulu balo, likhaya lezinto eziphilayo ezahlukahlukeneyo, kuquka iminenga. Nangona iminenga iqhele ukunxulunyaniswa nolwandle, inokufumaneka naselwandle nakwezinye iindawo ezinkulu zamanzi.
Iminenga inokufumaneka naphi na ukusuka kwi-arctic ukuya kumanzi ashushu, kuxhomekeke kwiintlobo. Abanye bakhetha amanzi abandayo, ngelixa abanye bethanda iindawo ezifudumeleyo. Noko ke, yonke iminenga ifuna ukutya okwaneleyo nendawo efanelekileyo ukuze ikwazi ukuzala.
Ukufuduka okumangalisayo kweminenga
Enye yezona zinto zibangela umdla kwiminenga ngumkhwa wayo wokufuduka imigama emide. Iintlobo ezininzi zeminenga Zifuduka qho ngonyaka phakathi kweendawo zazo zokuxheshisela nezazalela kuzo, ehamba amawaka eekhilomitha.
Ngokomzekelo, i-humpback whale idla kwiindawo ezityebileyo zokuloba kwimimandla epholileyo ehlotyeni, kodwa ifuduka iye kumanzi akweleenjiko nakweleenjiko ebusika ukuze izale ize izale.
Njani kwaye yintoni iminenga edlayo
Iminenga yahlulwe yangamacandelo amabini ngokusekwe ekutyeni kwawo: iminenga enamazinyo kunye neminenga ye baleen. Iminenga enamazinyo, njengeminenga yamadlozi, ziziintshaba ezizingela iintlanzi kunye nesquid.. Ngakolunye uhlangothi, imikhomo ye-baleen, ebandakanya i-humpback kunye ne-blue whales, idla i-krill kunye ne-crustaceans encinci ngokuyihluza nge-baleen emlonyeni wabo.
- Iminenga yeBaleen inebaleen endaweni yamazinyo. Ezi ndevu zisebenza njengesihluzi esizivumela ukuba zihluze amanzi olwandle kwaye zigcine ukutya.
- Iminenga enamazinyo ngabazingeli abakhutheleyo, besebenzisa i-echolocation yabo ukubona nokulandelela ixhoba labo.
Indlela yokuziphatha kunye nezithethe zeminenga
Uhlobo ngalunye lomnenga luneendlela zokuziphatha namasiko awodwa. Ezinye zaziwa ngokutsiba kwazo emanzini, okukwaziwa njengokuqhekeza, ngelixa ezinye, ezinjengeebeluga, zidume ngokukwazi ukuqubha umva.
Kukho iingcamango ezininzi malunga nokuba kutheni iminenga itsibela ngaphandle kwamanzi. Abanye bacebisa ukuba bayenze ukuze basuse izifunxi-gazi, ngelixa abanye bekholelwa ukuba luhlobo lonxibelelwano. Nokuba siyintoni na isizathu, inika umbono ochukumisayo ngendlela emangalisayo.
Ukufuna ukwazi malunga neminenga
Iminenga zizidalwa ezinomdla ngokwenene ekusafuneka sizibhaqe. Nazi iinyani ezinomdla onokuthi ubungazazi:
- Umnenga oluhlaza sesona silwanyana sikhulu kwezakha zakho, sikhulu kunesona silwanyana sikhulu.
- Iminenga ene-humpback inelona xesha lide lokufuduka kuzo zonke izilwanyana ezanyisayo, ezinye zihamba umgama oziikhilomitha ezingama-25,000 nyaka ngamnye.
- Ezinye iintlobo zeminenga, njenge<em>beluga whale, zinokutshintsha ukumila kwentloko yazo ukuze zenze inkangeleko yobuso eyahlukileyo.
Ukuphonononga ubomi beminenga kusinika ikroba kwiimfihlelo zolwandle kwaye kuqaqambise ukubaluleka kokukhathalela nokukhusela okusingqongileyo elwandle. Njengoko siqhubeka sifunda ngakumbi ngezi ngxilimbela zithambileyo, azisikhuthazi nje ngobukhulu bazo, kodwa nangokuguquguquka okumangalisayo kunye nokomelela kwazo.