-Delile
- izinhlobo zemikhomo
- ukondliwa kwemikhomo
- okudliwa umkhomo
- Yini iplankton?
- i-zooplankton
- I-Krill - ukudla okuyisisekelo kwemikhomo
- ama-ploptonic copepods
- ezinye izilwane ezincane
- Okunye Ukudla Kwemikhomo
- ukubuka imikhomo
Imikhomo yizilwane ezincelisayo eziseqenjini lama-cetaceans, kanye namahlengethwa, ama-porpoise, imikhomo yesidoda nemikhomo enezinyosi. Kodwa-ke, ngokungafani nezinye, imikhomo iyimfihlakalo. Lokhu kusho ukuthi bona ungabi namazinyo, isici esithinta kakhulu ukudla kwabo.
Njengoba uzobona, ukudla kwemikhomo kusekelwe ezilwaneni ezincane kakhulu, ngakho-ke kudla inani elikhulu lazo. Ngabe ufuna ukwazi ukuthi zingobani lezi zilwane eziyindida? Ngakho qhubeka ufunda! Kule ndatshana kaPeritoAnimal, sizotshela okudliwa umkhomo.
izinhlobo zemikhomo
Ku-biology, igama elithi whale lisetshenziselwa kuphela umndeni we-balénidos. Kodwa-ke, ngokubambisana, amanye ama-cetaceans amaningi ayaziwa ngokuthi imikhomo:
- Balénidos: zingama-mysticetes (imikhomo yokugcina) futhi zondla ngokuhlunga. Leli qembu lihlanganisa imikhomo efanele kanye nomkhomo waseGreenland.
- ama-balenopterids noma ama-rorquais: nayo iyimikhomo yokugcina. Phakathi kwazo yisilwane esikhulu kunazo zonke emhlabeni, umkhomo oluhlaza okwesibhakabhaka nomkhomo owaziwa ngokuthi i-humpback whale.
- Imibhalo noma imikhomo empunga: ama-odontocetes (imikhomo enamazinyo) njengamahlengethwa namanye ama-cetaceans.
Kulesi sihloko, sizokhuluma kuphela mayelana "nemikhomo yokugcina", kufaka phakathi ama-rorquais. Ukuze usazi kangcono lesi silwane, sincoma ukuthi ufunde i-athikili ngezinhlobo zemikhomo.
ukondliwa kwemikhomo
Ukondliwa kwemikhomo kusekelwe inqubo yokuhlunga. Ngalokhu, banezinhlaka ezaziwa njengezimpiko eziphuma emhlathini ongenhla (njengamazinyo ethu). Lezi uchungechunge lwemicu engaqhathaniswa namabhulashi ebhulashi.
Lapho zithola ukudla, lezi zilwane zivula imihlathi yazo emikhulu futhi kokubili ukudla namanzi kungena emilonyeni yazo. Kamuva, cindezela ulimi lwabo ophahleni lomlomo wabo, ukusuka emuva kuye emlonyeni, ngenkathi ugcina umlomo ucishe uvalwe. Ngakho-ke, ngenxa yokuba khona kwamaphiko, enza amanzi aphume, ashiye ukudla kubhajwe emgodini womlomo. Ekugcineni, zigwinya ukudla nezinye izinto ezilahlwayo ezingaba khona olwandle, njengoplastiki.
okudliwa umkhomo
Manje njengoba sesazi okuthe xaxa ngokuthi lezi zilwane zondla kanjani, ngokuqinisekile uyazibuza ukuthi imikhomo idlani. Yize ukudla kuncike ezindaweni abakuzo, singakhuluma ngokudla okuvame kakhulu kubo bonke: the plankton. Kuyini ngempela? Sizobona!
Yini iplankton?
I-Plankton iqoqo elincane kakhulu lezinto eziphilayo ezilengiswe emanzini. Phakathi kwazo kukhona:
- Amagciwane.
- Abavikeli.
- Imifino (phytoplankton).
- Izilwane (zooplankton).
Ukudla kwe-Whale kusekelwe engxenyeni yokugcina, okungukuthi, kunjalo izilwane ezidla inyama.
i-zooplankton
I-zooplankton ifaka phakathi izilwane ezincane kakhulu ezondla kwamanye amalungu eplankton. Bangama-crustaceans amadala, njenge-krill noma ama-copepods, nezibungu zezilwane okuthi, lapho ziqedela ukukhula kwazo, zihlale ngaphansi kolwandle.
I-Krill - ukudla okuyisisekelo kwemikhomo
Ama-krill sithi ama-crustaceans amancane, ajwayelekile asobala ahlala olwandle lomhlaba. Lezi zilwane ziyakha amaqembu ezinkulungwane nezinkulungwane zabantu ezinganwebela amamayela. Ngalesi sizathu, ayisisekelo sokudla kwemikhomo nezinye izidalwa zasolwandle eziningi.
ama-ploptonic copepods
Amanye ama-crustaceans adlala indima ebalulekile eketheni lokudla lasemanzini ama-planktonic copepods. Labo ama-crustaceans zingalinganisa ngaphansi kwamamilimitha futhi ziphinde zibe ukudla okuyisisekelo kwemikhomo nezinye izilwane eziningi zasolwandle.
ezinye izilwane ezincane
Ngaphezu kwalokho, singathola ku-zooplankton izigaba zezingane ze ezinye izinhlanzi nezibungu yezilwane ezinjengeziponji, amakhorali, ama-echinoderms, ama-molluscs ... Zonke lezi zilwane ziba "ezizimele" zeplankton lapho sezikhulile.
Okunye Ukudla Kwemikhomo
Phakathi kokudla kweminye imikhomo, njenge-rorquais, kuningi izinhlanzi ze-shoal. Lokhu kuvumela izidlakela zasolwandle ukuba zidle amakhulu ezinhlanzi ngokuluma okukodwa.
Yiziphi izinhlanzi ezidliwa imikhomo?
Ezinye zezinhlanzi eziyingxenye yokudla komkhomo yilezi:
- I-Capelin (malotusvillosus).
- I-Atlantic cod (gadusmorhua).
- I-halibut (UReinhardtiushippoglossoids).
- I-herring (Iklabhu spp.).
Ekugcineni, ama-squid nawo ayingxenye yokudla kweminye imikhomo. Isibonelo, isilwane esikhulu kunazo zonke emhlabeni, umkhomo oluhlaza okwesibhakabhaka, uvamise ukwehlela phansi olwandle ukufuna izicathulo ze-squid.
ukubuka imikhomo
Imikhomo ifuduka kakhulu ifuna ukudla. Ehlobo bathuthela emanzini abandayo lapho kudla khona inala. Lapho kufika amakhaza nokuncipha kwenani lokudla, babuyela emanzini afudumele, lapho behlangana khona bese bezala.
Lolu lwazi likuvumela ukuthi wazi izikhathi nezindawo ezihamba phambili ze- ukubuka imikhomo. Ake sibheke ezinye izibonelo:
- Inhlonhlo Valdes (E-Argentina): yindawo enhle kakhulu yokubona i-aleia-franca-austral (U-Eubalaenaaustralis).
- I-Bahia ballena (Costa Rica): umkhoma othanda ukuya kula manzi uyokhwelana. Lapha kungenzeka futhi ukubona amahlengethwa, ama-mantas noshaka ...
- I-Baja California (Mexico): yindawo enhle kakhulu yokubona imikhomo empunga, yize kujwayelekile nokubona i-blue whale.
- Iziqhingi zaseCanary. Kungenzeka ukubona zonke izinhlobo zama-rorquais kanye nemikhomo enezinyosi, imikhomo yesidoda kanye ne-orcas.
- IGlacier Bay (ECanada): Yindawo eyaziwayo yokubuka imikhomo yama-humpback.
- EMonterey Bay, California(EU.S): Ehlobo nasekwindla, umkhomo oluhlaza okwesibhakabhaka ungabonakala kuleli chweba. Kungenzeka futhi ukubona imikhomo ye-humpback, imikhomo yangakwesokudla, imikhomo ye-minke ...
Ziningi ezinye izindawo lapho ungabona khona ubuhle balezi cetaceans. Kodwa-ke, sikukhuthaza ukuthi wenze kanjalo wazi, ungabi nomthelela omncane ekuziphatheni nasezindaweni ohlala kuzo.
Uma ufuna ukufunda izindatshana eziningi ezifana ne- Udlani umkhoma?, sincoma ukuthi ufake isigaba sethu sokudla okunokulinganisela.