Dabbobi masu shayarwa - shi ne umarni na dabbobi masu shayarwa .... dabbobi masu shayarwa jinsunan

Animals ko dabbobi masu shayarwa - shi ne mafi sosai shirya vertabrate. Ci gaban da juyayi tsarin, ciyar da 'yan maruƙa madara, live haihuwa, dumi-bloodedness yarda su don yada yadu a ko'ina cikin duniya, kuma kai mai fadi da dama wuraren. Dabbobi masu shayarwa - suna da dabbobi da cewa rayuwa a cikin gandun daji (daji Boars, muz, hares, Foxes, Wolves), duwãtsu (da tumaki, da dutsen awaki), matakan da kuma Semi-Hamada (jerboa, hamsters, squirrels, saiga irin gada) a cikin ƙasa (mole berayen da moles) tekuna da ruwaye (dabbobin ruwa, Whales). Wasu daga cikin su (misali, jemagu), ciyar da yawa na aiki rayuwa a cikin iska. A yau mun san na zama na fiye da 4 dubu jinsunan dabbobi. Umarni na dabbobi masu shayarwa, kazalika da halaye na wata dabba - duk wannan za a tattauna a wannan labarin. Bari mu fara da bayanin irin su tsarin.

external tsarin

waɗannan dabbobi jiki da aka rufe da gashi (ta saura ne ko da Whales). Rarrabe m gashi mike (kashin baya) da kuma na bakin ciki Tuddan (undercoat). Daga gurbatawa da zuba undercoat kare kashin baya. Ulu dabbobi masu shayarwa cover iya kawai kunshi kashin baya (msl, deer), ko na undercoat (as moles). Wadannan dabbobi an lokaci zuwa lokaci zubar. A dabbobi masu shayarwa, cikinsa da yawa dabam Jawo, da kuma wani lokacin kala. Fata na dabbobi ne gashi follicles, gumi kuma sebaceous gland da su gyare-gyare (Milky da odorous gland shine yake), jaraba Sikeli (kamar wutsiya na beavers kuma berayen), da kuma sauran Kakakin samuwar abin da ke faruwa a kan fata (ƙahonin, hooves, kusoshi, fika). Idan akai la'akari da tsarin da dabbobi masu shayarwa, za mu lura cewa kafafu suna located karkashin jiki da kuma samar da waɗannan dabbobi mafi m motsi.

kwarangwal

Kokon su suna da karfi da ci gaba da zagayayyen kwanya. A dabbobi masu shayarwa, da hakora ne a cikin muƙamuƙanka daga cikin sel. Yawancin lokaci suna zuwa kashi tushen, canines da incisors. A mahaifa kashin baya aka hada kusan duk namomin bakwai vertebrae. Suna movably da alaka da juna, sai dai biyu sacral da caudal, wanda girma tare, don samar da sacrum - da kashi daya. A hakarkarinsa aka jointed ga thoracic vertebrae, wanda su ne yawanci daga 12 zuwa 15. A cikin mafi dabbobi masu shayarwa bel forelimb nau'i guda biyu ruwa kuma clavicle. Kawai a 'yan tsirarun dabbobi ake kiyaye hankãka, yanã ƙasũsuwa. A ƙashin ƙugu kunshi biyu pelvic ƙasũsuwa Fused da sacrum. Kwarangwal reshe - kamar ƙasũsuwa da sassan, kazalika da sauran wakilan hudu kananan kafafu, vertabrate.

Abin da ake dabbobi masu shayarwa ta ji tsoron?

Dabbobi masu shayarwa - suna da dabbobi, wanda da kunnuwa don taimaka karba kamshi, kazalika da sanin su shugabanci. Su fito da idãnu da eyelids da kuma gashin idanu. A cikin wata gabar jiki, ciki, shugaban dake tsaye bakin ramin - tsawo, m gashi. Animals amfani da su don jin ko da dan touch ga batutuwa.

Asalin Dabbobi masu shayarwa

Kazalika da tsuntsaye, dabbobi masu shayarwa - Zuriyar zamanin d dabbobi masu rarrafe. Wannan ne evidenced da kamance na zamani dabbobi da zamani dabbobi masu rarrafe. A musamman, shi aka bayyana a farkon matakai na tayi ci gaba. Ko da karin shaidar kama da aka samu a cikin su tare da dabbobi masu shayarwa-kamar kadangaru, bitattu yawa da suka wuce. Har ila yau, domin dangantaka da dabbobi masu rarrafe shi ne gaskiya cewa akwai dabbobi da sa qwai dake dauke da wani yawa na gina jiki. Wasu daga cikin wadannan dabbobi suna da wata cloaca, ɓullo hankaka ta ƙasũsuwa da sauran alamun kashedi na low kungiyar. Shi ne game da yinotheria (kwai-kwanciya). Za mu gaya muku game da su.

yinotheria

Yana da wani subclass daga cikin mafi m dabbobi masu shayarwa da rai a yau. Tare da siffofin riga aka ambata, ya kamata a lura da cewa ba su da wani m yanayin jiki. Mammary gland shine yake yinotheria ba da nonna. Sun hatched daga qwai, lasawa madara daga cikin uwa tasa ta Jawo.

A monotremes - daya naúrar tsaye a waje a cikin wannan subclass. Wannan ya hada da 2 iri: da echidna da platypus. Wadannan dabbobi iya yanzu za a samu a Australia, da kuma tsibiran dab da shi. Platypus - a matsakaici-sized dabba. Ya fi son su rayu a kan bankunan na koguna da nan ne wani Semi-na cikin ruwa salon. A rami haƙa su a cikin wani m banki, shĩ yanã ciyarwa mafi yawan lokaci. Platypus spring mace kayansa mãsu qwai (su ne yawanci biyu) a cikin wani musamman rami, da dakunan nesting jam'iyya. Macizai - kamar bĩga dabbobi. jikinsu da aka rufe tare da m ulu da allurar. Mace na wadannan dabbobi sa guda kwai, wanda suka sanya shi a cikin wani jakar - a Musulunci na fata, located a ciki. Hatchling, hatched daga gare shi, har a cikin jakar har jikin shi ba ya bayyana needles.

marsupials

A dabbobi hada marsupials detachment wanda haihu matasa m sa'an nan sa su a cikin wani na musamman jakar. Suna talauci ɓullo da ko ba mahaifa aka kafa. Marsupials yada yafi a Australia, kazalika a kan tsibiran dab da shi. Mafi shahara daga cikinsu - da marsupial Bear (koala) da kuma giant kangaroos.

carnivorous

Insectivorous - a naúrar cewa hadawa tsoho m placental dabbobi: hedgehogs, shrews, moles, muskrats. Muzzle su elongated, yana da wani elongated proboscis. A insectivorous kananan hakora, kuma ƙafãfunsu su da biyar lambobi. Mafi yawa daga cikinsu a kusa da wutsiya tushen ko a jiki tarnaƙi ne odorous gland.

Shrew - da karami wakilan insectivores. Suna zaune a grasslands, shrubs, m gandun daji. Wadannan voracious halittun da hari kananan dabbobi. A cikin hunturu lokaci, suna bayar da damar gudanar da snow motsa da kuma samun kwari.

Moles - dabbobi, abu wani boye salon. Su tono tare da su gaban kafafunsa da yawa ramukan. A wani mole ta idanu suna talauci ɓullo da kuma masu baki dige. A jariri ne kunnuwa. Short m gashi yana da wani shugabanci da kuma ya yi daidai da zanen goyo ga jiki a lokacin da motsi. Moles ne aiki duk shekara zagaye.

cheiroptera

Detachment Bats Bats ko hada a membobinsu da dabbobi na matsakaici da kuma kananan masu girma dabam, wanda suke iya ci jirgin. A subtropics da yammacin sahara ne musamman yawa. A hakora na wadannan dabbobi carnivorous irin. The fi na kowa a cikin kasar plecotus Fata, vechornytsi. Wakilai na jemagu zauna a attics na gidaje a hollows bishiyoyi, a cikin kogwanni. A lokacin da rana suka fi son barci a cikin mafaka, da kuma a faɗuwar rana zo kama kwari.

hakori

Wannan kungiyar kawo tare da wani uku na sauran jinsinan cewa zauna mu duniya a yau. Wadannan sun hada da sunadarai, squirrels, berayen, beraye, da kuma wasu dabbobi na matsakaici da kuma kananan size. Hakori su ne mafi yawa - herbivorous dabbobi. Sun yi karfi da ci gaba incisors (a cikin kowane muƙamuƙi - biyu), da molars da ciwon wani lebur daukan taban surface. Babu tushen da incisors hakori. Suna kullum girma, kai-kaifafa da kuma sawa saukar da cin abinci. Mafiya yawa daga cikin hakori yana da dogon hanji da cecum. Hakori ne arboreal (dormouse, yawo squirrels, squirrels), kazalika da Semi-na cikin ruwa (muskrat, nutria, beavers) da kuma Semi-karkashin kasa (ƙasa squirrels, berayen, beraye). Wannan salon dabbobi. Mafi yawansu matasa ne ake haifa makãho, kuma tsirara. Wannan yakan auku a sheƙarsu, hollows da kuma ramukan.

lagomorphs

Wannan kungiyar kawo tare daban-daban irin tsuntsaye, zomaye da kuma pikas - dabbobi, irin wannan a mutunta mutane da yawa zuwa ga hakori. Yana da wani takamaiman dentition babban alama lagomorphs. Suna da 2 kananan abun yanka bayan 2 babban saman. Hare (zomo, zomo) ciyar a kan haushi Bishiyoyi da kananan bishiyoyi, ciyawa. Suka fito don ciyar a yamma da kuma da dare. Sun su, ana haifuwarsu gani, tare da m Jawo. Ba kamar tsuntsaye, zomaye tono mai zurfi burrows. Mace kafin haihuwa tsirara kuma makafi matasa da ke sa wani gida na saukar, ta na jan daga ta nono, kazalika da busasshiyar ciyawa.

carnivorous

Wakilai na wannan kungiya (beyar, weasels, marten, Lynx, Foxes, Foxes, Wolves) ciyar da kullum da tsuntsaye da sauran dabbobi. Su ganima predatory dabba bace rayayye biyã ne. A hakora na wadannan dabbobi ya kasu kashi incisors, canines da kuma 'yan asalin. Mafi cigaban ne canines, da kuma 4 molars. A wakilan wannan kungiyar da gajeren hanji. Wannan shi ne saboda gaskiyar cewa predatory dabba bace cin sauƙi digestible da kuma high-kalori abinci.

pinnipeds

Mu ci gaba da pinnipeds shawara. Wakilainsu (walruses, like) - manyan predatory marine dabbobi masu shayarwa. Riqo na wuccin m hairs rufe jiki na mafi yawan su. Wata gabar jiki na wadannan dabbobi suna modified zuwa flippers. A lokacin farin ciki Layer kitsen da aka ajiye a karkashin su fata. A kafafen hancinsa aka buɗe kawai a lokacin da inhalation da exhalation. Lokacin da ruwa kunne ramuka a rufe suke.

cetacea

Wadannan marine dabbobi masu shayarwa - Whales da dabbobin ruwa - wani bangare ne na wannan tawagar. A jikin kĩfinsu-kamar siffar. Wadannan marine dabbobi masu shayarwa domin mafi yawan bangare ba dole jiki gashi - aka kiyaye su kawai a kusa da bakinsa. A flippers canza forelimbs da Hind fakowa ba. The motsi na cetaceans yana da muhimmanci sosai m wutsiya, wanda ƙare a cikin caudal filafilin kifi. Wrong a ce da marine dabbobi masu shayarwa - kifi. Su ne dabbobi, ko zahiri sun yi kama da kifi. Wakilai daga cetaceans - mafi girma dabbobi masu shayarwa. A blue Whale kai tsawon mita 30.

artiodactyls

A wannan naúrar hada matsakaici-sized da kuma manyan omnivorous kuma herbivorous dabbobi. Ƙafãfunsu da 2 ko 4 yatsunsu, mafi rufe hooves. Bisa ga tsarin fasali na ciki da kuma abinci hanyoyi da suka kasu kashi ba-dabbobin da muke kiwo da kuma dabbobin da muke kiwo. A karshen (da tumaki, da awaki, deer) masu saro ne kawai a cikin ƙananan muƙamuƙi da molars ne m daukan taban surface. A ba dabbobin da muke kiwo guda-jam'iyya ciki, da kuma hakora kasu kashi tushen, canines da incisors.

solipeds

Muna ci gaba da bayyana kungiyoyin na dabbobi masu shayarwa. Solipeds - Waɗannan su ne dabbobi, kamar dawakai, zebras, da jakai, tapirs, rhinoceroses. A ƙafãfunsu mafi yawansu sun ci gaba a kan yatsa, a kan abin da akwai m hooves. Yau, na daji dawakai tsira kawai Przewalski doki.

mannyan birai

Wannan shi ne mafi sosai raya dabbobi masu shayarwa. Detachment hada prosimians da birai. Bã su da wani prehensile wata gabar jiki da biyar lambobi, da babban yatsa da aka adawa da sauransu. Kusan duk mannyan birai da wutsiya. Mafiya yawa su zauna a cikin subtropics da yammacin sahara. Sun zauna da gandun daji, inda suke zaune a kananan iyali kungiyoyin ko dabbobinsu.

Dabbobi masu shayarwa, da tsuntsaye, da abubuwa masu rarrafe, halittar dabba mai kafafuwa - dukkan su za a iya bayyana a wani sosai tsawon lokaci. Mun kawai a takaicce bayyana da dabbobi, ya bayyana data kasance raka'a. The iyali na dabbobi masu shayarwa suna da bambance bambancen da yawa, kamar yadda ka yi kawai gani. Saba da shi, da fatan ka kasance m.