Dabbobi masu shayarwa - Halaye da Misalai

Wadatacce

• Halaye na dabbobi masu shayarwa
• Numfashin dabbobi masu shayarwa
• Nau'o'in dabbobi masu shayarwa
• cetacean order
• tsarin cin nama
• Jerin misalai na dabbobi masu shayarwa na ruwa da sunayensu
• cetacean order
• tsarin cin nama
• Dokar sirri

Asalin duk rayayyun halittu a doron ƙasa ya faru a cikin yanayin ruwa. A cikin tarihin juyin halitta, dabbobi masu shayarwa suna canzawa suna daidaitawa da yanayin farfajiyar Duniya har zuwa, shekaru miliyan da yawa da suka gabata, wasu daga cikinsu sun dawo don nutsewa cikin tekuna da koguna, suna daidaita rayuwa a ƙarƙashin waɗannan yanayin.

A cikin wannan labarin PeritoAnimal, zamuyi magana game da shi masu shayarwa na ruwa, wanda aka fi sani da dabbobi masu shayarwa na ruwa, kamar yadda yake a cikin tekun da mafi yawan nau'in irin wannan ke zama. San halayen waɗannan dabbobin da wasu misalai.

Halaye na dabbobi masu shayarwa

Rayuwar masu shayarwa a cikin ruwa ta sha bamban da na masu shayarwa a ƙasa. Domin su rayu a cikin wannan muhallin, dole ne su sami halaye na musamman yayin juyin halittarsu.

Ruwa matsakaici ne mai yawa fiye da iska kuma, ƙari, yana ba da babban juriya, wanda shine dalilin da ya sa dabbobi masu shayarwa ke da jiki musamman hydrodynamic, wanda ke basu damar motsawa cikin sauki. ci gaban fins Mai kama da na kifaye yana wakiltar wani muhimmin canji na ilimin halittar jiki, wanda ya basu damar haɓaka saurin gudu, jagorantar iyo da sadarwa.

Ruwa matsakaici ne wanda ke ɗaukar zafi fiye da iska, don haka masu shayarwa na ruwa suna da babban kitse a ƙarƙashin wani fata mai ƙarfi da ƙarfi, wanda ke hana su rubewa daga waɗannan asarar zafi. Bugu da ƙari, yana aiki azaman kariya lokacin da suke zaune a wurare masu tsananin sanyi na duniyar. Wasu dabbobi masu shayarwa suna da fur saboda suna gudanar da wasu muhimman ayyuka a wajen ruwa, kamar haihuwa.

Dabbobi masu shayarwa na ruwa waɗanda, a wasu lokutan rayuwarsu, suna rayuwa cikin zurfin zurfi, sun haɓaka wasu gabobin don su iya rayuwa cikin duhu, kamar sonar. Halin gani a cikin waɗannan muhallin ba shi da wani amfani, domin hasken rana bai kai wannan zurfin ba.

Kamar dukkan dabbobi masu shayarwa, waɗannan dabbobin ruwa suna da gumi, ciwon mammary, da ke samar da nono ga 'ya'yansu, kuma suna nuna alamun ciki a cikin jiki.

Numfashin dabbobi masu shayarwa

masu shayarwa na ruwa buƙatar iska don numfashi. Sabili da haka, suna numfasawa da iska mai yawa kuma suna adana shi cikin huhu na dogon lokaci. Lokacin da suka nutse bayan numfashi, suna iya juyar da jini zuwa kwakwalwa, zuciya da kwarangwal. Ƙwayoyinku suna da babban adadin furotin da ake kira myoglobin, iya tara ɗimbin iskar oxygen.

Ta wannan hanyar, dabbobin ruwa suna iya kasancewa na tsawon lokaci ba tare da numfashi ba. Kananan Yara da Jariri ba su da wannan ƙwarewar haɓaka, don haka za su buƙaci yin numfashi sau da yawa fiye da sauran rukunin.

Nau'o'in dabbobi masu shayarwa

Yawancin nau'ikan dabbobi masu shayarwa suna rayuwa a cikin yanayin ruwa. Akwai umarni uku na masu shayarwa na ruwa: cetacea, carnivora da sirenia.

cetacean order

A cikin tsari na cetaceans, mafi yawan wakilan nau'in sune whales, dolphins, sperm whales, kisa da kyankyasai. Cetaceans sun samo asali ne daga nau'in halittar ƙasa mai cin nama fiye da shekaru miliyan 50 da suka gabata. Umurnin Cetacea ya kasu kashi uku (ɗaya daga cikinsu ya ƙare):

• archaeoceti: quadrupedal terrestrial dabbobi, kakannin cetaceans na yanzu (sun riga sun shuɗe).
• Asiri: fin whales. Dabbobi masu cin nama marasa haƙora waɗanda ke ɗaukar ruwa mai yawa suna tacewa ta cikin fin, suna ɗebo kifayen da suka makale a ciki da harsunansu.
• odontoceti: Wannan ya haɗa da dabbar dolphin, kifin kifin ruwa, porpoises da zippers. Kungiya ce dabam dabam, duk da cewa babban halayen ta shine kasancewar hakora. A cikin wannan rukunin za mu iya samun dabbar dolphin (Ina geoffrensis), wani nau'in dabbar ruwa mai shayarwa.

tsarin cin nama

A cikin tsarin cin nama, an haɗa su da hatimi, zakoki na teku da walruses, kodayake ana iya haɗa otters na teku da bears na polar. Wannan rukunin dabbobin sun bayyana kimanin shekaru miliyan 15 da suka gabata, kuma an yi imanin yana da alaƙa da mustelids da bears (bears).

Dokar sirri

Umarni na ƙarshe, siren, ya haɗa dugongs da manatees. Wadannan dabbobin sun samo asali ne daga tetiterios, dabbobi masu kama da giwaye da suka bayyana kimanin shekaru miliyan 66 da suka gabata. Dugongs suna zaune a Ostiraliya kuma suna sarrafa Afirka da Amurka.

Jerin misalai na dabbobi masu shayarwa na ruwa da sunayensu

cetacean order

Asiri:

• Kogin Greenland (Balaena mysticetus)
• Kudancin Dama Whale (Eubalaena Australis)
• Glacial Dama Whale (Eubalaena glacialis)
• Yankin Whale na Pacific (Eubalaena japonica)
• Fin Whale (Balaenoptera physalus)
• Sei Whale (Balaenoptera borealis)
• Whale na Bryde (Balaenoptera brydei)
• Tropical Bryde Whale (Balaenoptera edeni)
• Blue Whale (Balaenoptera musculus)
• Minke's Whale (Balaenoptera acutorostrata)
• Antarctic Minke Whale (Balaenoptera bonaerensis)
• Omura Whale (Balaenoptera omurai)
• Humpback Whale (Megaptera novaeangliae)
• Grey Whale (Eschrichtius robustus ya girma)
• Pygmy Dama Whale (Caperea gefe)

Odontoceti:

• Dolphin na Commerson (Cephalorhynchus commersonii)
• Dolphin na Heaviside (Cephalorhynchus warvisidii)
• Dolphin gama-gari na dogon lokaci (Delphinus capensis)
• Pygmy orca (dabba mai rauni)
• Dogon Pilot Whale (Globicephala melas)
• Dolphin mai dariya (Grampus griseus)
• Dabbar Dolphin (Phraser Dolphin)Lagenodelphis hosei)
• Dabbar dolphin mai launin fata ta Atlantika (Lagenorhynchus acutus)
• Dabbar Dolphin ta Arewa (Lissodelphis borealis)
• Orca (daorcinus orca)
• Dabbar dabbar dabbar dabbar ruwa (Sousa chinensis)
• dabbar dolphin (stenella coeruleoalba)
• Dabbar Dabbar Dabba (Tursiops truncatus)
• Dolphin ruwan hoda (Ina geoffrensis)
• Baiji (vexillifer lipos)
• Labarin batsa (Pontoporia Blainvillei)
• Yaren Beluga (Delphinapterus leucas)
• Yaren Narwhal (Monodon monoceros)

tsarin cin nama

• Rikicin Ruwan Ruwa na Bahar Rum (monachus monachus)
• Seal Giwa ta Arewa (Maganin angustirostris)
• Dambar Damisa (Hydrurga leptonyx)
• Ikon gama gari (Vitulina Phoca)
• Harshen fur na Australiya (Arctocephalus pusillus)
• Siffar fur na Guadalupe (arctophoca philippii townsendi)
• Zakin Teku na Steller (jubatus eumetopias)
• Zakin Tekun California (Zalophus californianus)
• Tekun teku (Enhydra lutris)
• Iyakacin duniya Bear (Ursus Maritimus)

Dokar sirri

• Dugong (dadigon digon)
• Yaren Manatee (Trichechus manatus)
• Manatee Amazonian (Tsarin Trichechus)
• Manatee na Afirka (Trichechus senegalensis)

Idan kuna son karanta ƙarin labarai makamantansu Dabbobi masu shayarwa - Halaye da Misalai,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.