Abin da aji ne da kifi? The fasali, structures, kifi kiwo

Sturgeon, irin kifi, herring, kifi, irin kifi, azurfa irin kifi, irin kifi - sanannen kifi. Wannan jerin ne m. Su sayar da darajar da wuya a overestimate. A gaskiya ma, cikin aji na kifi ne sosai bambancin. Modern taxonomy yana da fiye da dubu 20 jinsunan wadannan na cikin ruwa dabbobi. Saboda yadda featured gine-gine da suka gudanar don Master wannan yanayi da kuma kama shi a cikin wani rinjaye matsayi. Don wanda aji ya hada kifi, wanin da tsarin? Wadannan da sauran tambayoyi za su sami amsa a cikin wannan labarin.

ãyõyin kifi

Ba abin mamaki game da kai m mutane suka ce: "Ina jin kamar kifi a ruwa." Masana kimiyya san cewa na farko da kifi da aka zaune har da baya a matsayin Silurian lokaci. Outwardly sun kasance kama da na zamani sharks da m muƙamuƙanka, a kan abin da kaifi hakora. Miliyoyin wuce (shekaru), modified da samu a yawan sabon fasali a cikin karbuwa aiwatar da juyin halittar kifi.

Kamar ruwa da dabbobi, suka duka da streamlined jiki siffar da aka gaba daya, ko partially rufe da Sikeli a jiki ne daban-daban iri fins, da kuma na numfashi gabobin ne gills. Wadannan su ne na kowa bayyanar cututtuka ga dukkan membobin wannan din hadin kai. Amma abin da aji ne da kifi, za a iya amsa ta la'akari da gagarumin bambanci. A lokacin, wanda akwai biyu: kashi da guringuntsi.

Features na waje tsarin

The jiki shi ne cikakken duk kifin da aka rufe da ɓamɓaroki. Yana kare fata na cikin ruwa rayuwa daga matsananciyar gogayya da ruwa. Bayan duk, mafi yawansu ba su ciyar mafi yawan lokutansa a motsi. Ƙarin kariya daga gogayya da kuma babban adadin gamsai, wanda shi ne mai arziki a cikin fata. Wannan taimaka wajen tsira da yawa iri m yanayi a wani lokaci na fari. Ba dukkan jinsunan kifaye jiki ne gaba daya an rufe shi da ma'auni. Alal misali, shark aka located in daya lamba a jiki surface, a cikin bayyanar kama su hakora. A wannan za a iya ce da yawa daga cikin tsari Sturgeon. Mai fitar kasusuwan jikinsu kifi Sikeli an kare, kamar karfi makamai. Shi aikin ƙarin ayyuka: sake kamanni daga yara, gargadi kala carnivorous da guba jinsunan, nadi na jinsi, da tunani na haske a ruwa.

A tsarin da ƙege

Wani halayyar alama ne gaban kifi fins. Wadannan tsarin ne wata gabar jiki motsa a cikin ruwa, da kuma wasu tsoho jinsunan iya ko ja jiki ta hanyar su. Ƙege ake hada cikin kungiyoyin biyu. A farko biyu ne: na ciki da kuma kirji. Su taimakawa ga riƙe kifi a cikin ruwa balance. Tail ne unpaired, tsuliya da dorsal. Sun yi aiki kamar matuƙin jirgin ruwa da kuma steered cikin ruwa dabba jiki a cikin so shugabanci. A sakamakon juyin halittar kifi fins kafa wata gabar jiki na dabbobi masu rarrafe dabbobi.

A cikin kifi ta jiki iya ganin sideline. Wannan musamman sashen auna da kuma tabawa, halayyar kawai ga kifi.

A ciki tsarin kifi

Its halaye hade da ruwa-ruwa mazauninsu ne gabobin da kuma tsarin na wadannan dabbobi. Musculoskeletal wakilta wani kwarangwal. Dangane da aji shi ne kafa guringuntsi, ko kashi nama. Duk da ƙasũsuwan da shugaban kwarangwal ne fixedly alaka, a Bugu da kari ga ƙananan muƙamuƙi. Wannan ba ka damar sauƙi kama kifi samar. A tsarin wannan sashe na kwarangwal kuma ya hada da gill murfin da baka, da latest daga wanda aka a haɗe da kifi gabobin da numfasawa - gills. Axial kwarangwal kunshi mutum vertebrae juna da kuma gyarawa zuwa ragargaje. By gangar jikin yankin na kashin baya a haɗe hakarkarinsa. Kwarangwal filafilin kifi haskoki da aka gabatar. Sun kuma kafa kashi nama. Amma guda biyu fins ne ma bel. Wadannan tsokoki suna a haɗe, ya shugabance su a cikin motsi.

Narkewa kamar tsarin ne ta hanyar da irin kifi. Ya fara oropharyngeal kogo. Mafi yawa daga cikin kifi ne a kan muƙamuƙanka, kaifi hakora, wanda ake amfani da su kama da tearing abinci. A narkewa aiwatar ma shiga gland enzymes - hanta da kuma pancreas. A kan aiwatar da isolating da gishiri metabolism muhimmiyar rawa a cikin kifi wasa biyu daga kodan. Waje, suna bude tare da ureters.

Kifi ne banda kisan gillar dabbobi. Wannan yana nufin cewa da yanayin jikinsu ya dogara da canje-canje faruwa a yanayi. Wannan yanayin da aka ayyana ta tsarin na jijiyoyi. An wakilta wani biyu-jam'iyya zuciya da jijiyoyin bugun gini rufaffiyar tsarin. A lokacin da ya motsi venous da jijiya jini gauraye.

A juyayi tsarin kunshi da kwakwalwa da kuma laka da kuma jijiyoyi. Kuma ta gefe part - jijiya zaruruwa. A cikin kwakwalwa, a musamman cin kai cerebellum. Wannan bangare sa m da kuma hadewa ƙungiyoyi na kifi. Hankula ne iya gane wani hangula, zai yiwu a cikin ruwa yanayi. Tun da ruwan tabarau na ido na kifi ba ya canza ta da siffar da matsayi na dabbobi iya ganin kyau kawai a takaice nisa. Amma suna iya bambanta da siffar da launi daban-daban abubuwa. sauti haifuwa sashin jiki da kuma ƙunshi can cikin kunne da ake dangantawa da wani tsarin alhakin balance.

Sake bugun daga kifi kuma yana da halaye. Wadannan dabbobi iri guda ba, tare da waje hadi da irin.

Mene ne spawning

Kan aiwatar da kifi kiwo ne kuma ake kira spawning. Yana auku a ruwa. The mace kayansa mãsu qwai, da kuma namiji pours ta seminal ruwa. A sakamakon haka ne a hadu kwai. A sakamakon m mitotic ƙungiyoyin gare tasowa adult mutum.

Wani lokaci da haifuwa na kifi da ake dangantawa da spawning hijira da kuma gagarumin canje-canje a cikin hali da kuma tsarin da kifi a cikin wannan lokaci. Alal misali, kifi samar da manyan garkunan shanu, da suka hada da wadanda koma daga teku zuwa babba kai na kõguna. A wannan tafiya da suka yi nasara da yawa cikas, motsi da komowar ruwa. Wadannan kifaye kafa hump a baya, muƙamuƙi, ya juya daga cikin da kuma lankwasa. Bayan rasa makamashi mai yawa, bayan aiwatar da hadi manya mutu. Abin mamaki, matasa toya dawo a kan nasu a wannan mazauninsu.

kifi kungiyar

A babbar bambancin zama dole rarrabuwa na wannan rukuni na dabbobi. Yanzu masana kimiyya sun pinpointed ãyõyi, wanda za a iya classified a cikin aji Pisces. -Din-din na akidar ne m da gaban da iyo mafitsara, gill slits ko inuwõyi da irin ma'auni. Saboda haka yana yiwuwa a rarrabe tsakanin kashi da cartilaginous kifi. Akwai sauran alamomi ga wanda wadannan dabbobi suna hade a wani rukuni. Alal misali, kifi cewa matsawa ga spawning a sauran wuraren da aka fi sani a matsayin looping. Amma, ba da ikon yinsa,, rarrabe tsakanin kasuwanci da kuma na ado membobin wadannan na cikin ruwa dabbobi.

cartilaginous kifi

Wani aji ne kifi da cartilaginous kwarangwal, gill slits bude ga waje? Easy zuwa tsammani. Wannan cartilaginous kifaye. Su ba su da wani iyo mafitsara, saboda haka suka ko dai rayuwa a kan kasa, ko ne kullum a motsi. Sawfish, fari, basking, Whale shark, stingray, stingray ... ka san irin wannan kifi. List of m da yara za su iya ci gaba da teku shaidan, stingrays da tẽku fox. Wadannan teku dabba akwai matukar hatsari ga rayuwar dabbobi da mutane. Ko da yake sun samu tsakanin cartilaginous kifi da kuma quite m abubuwa. Saboda haka, shark spiny dogfish ci kifi da crustaceans. Bayan fearsome, babu hatsarin shi ne, ba don mutane.

fitar kasusuwan jikinsu kifi

A cikin tambaya na wanda aji ne kifi da suke da mafi yawan, amsa, watakila, kowane schoolchild. Su kwarangwal aka hada gaba ɗaya daga kashi. Swimbladder located in wani jiki rami, damar ta kambun da aka gudanar a cikin ruwa shafi. A gills an rufe gill inuwõyi kuma ba mutum ramukan aka buɗe zahiri. Wadannan siffofin da fitar kasusuwan jikinsu kifi.

The darajar kifi

Wakilai daga cikin superclass vertabrate farko da wani muhimmin kasuwanci darajar. Man ci namansa ne gina jiki da kuma gina jiki mai arzikin qwai. A yawan girke-girke na daban-daban na asusun ba su sani ba. Kifi mai sun dade da aka yi amfani da matsayin wajen da su bi kwayan da kwayar numfashi cututtuka. Mutane shekara kama wata babbar lamba na jinsin da breeds na nasu. Nama da kashi ci abinci kuma an samu. Ana amfani da taki da kuma ciyar da yawa dabbobi.

A cikin 'yan shekaru kara Popularity wasanni kama kifi, jawo mahalarta daga kasashe daban-daban. Kuma kama wani kifin zinari, ya cika duk zũciyõyinsu, mafarkai daidai kowannenmu!

Saboda haka, aji to wanda kasance kifi za a iya ƙaddara da peculiarities na tsarin, kungiyar da kuma hanyarsa ta rayuwa.