Jirgin tsutsotsi: description, fasali, da kuma halaye na aji

A wannan labarin, za mu duba fasali na tsarin molluscs, wanda ake kira "jirgin tsutsotsi". A'a, ba mu yi kuskure - wadannan dabbobi ba wanzu.

Jirgin tsutsa: ajin da kuma irin dabba

The abu ne cewa, jirgin tsutsa, wanda kuma ake kira teredo, ko kafinta, a cikin shakka daga juyin halitta ya halartar gagarumin canje-canje. Musamman shi shafi dabba ta waje tsarin. Saboda haka, a duban farko, shi ne quite wuya a gane abin da aji jirgin tsutsa. A gaskiya ma, wani wakilin subkingdoms kwayar kuma irin Shellfish. A ajin cewa wakiltar da jirgin tsutsa, da ake kira "Bivalve".

external tsarin

Teredo jiki yana da wani cylindrical siffar cewa ya kai tsawon game daya mita. Tun lokacin da jirgin tsutsa nasa ne da aji na bivalves, shi yana da muhimmi tsarin fasali. Ina shi nutse? An located a ƙarshen gaban na jiki da kuma kunshi biyu kananan bude yatsun na game da 1 cm. Tare da taimakon kilam drills katako. Kowane leaf aka kafa ta uku sassa tare da jagged gefuna.

In ba haka ba kilam shipworm tsarin yana da siffofin da suke da hankula ga wannan din raka'a. Jikinsa aka mĩƙe laterally kuma kunshi Ƙungiyarku biyu: da jiki da kuma kafafu. Tun mussels ba su da shugabanni, da kuma ba su da jikinsu, located a kan shi. Yana tentacles, pharynx, da harshenka game da wani grater, jaws da salivary gland. Alkyabbar rufe da raya bangare na jikin su. A nan mun shirya da kuma gland cewa asirce calcareous abubuwa.

Kusan dukan jiki da jirgin ne tsutsa a cikin itace. A surface, shi ya fita kawai da raya karshen tare da biyu daga siphons. Ta hanyar su za'ayi dabba dangantaka da yanayi. Wani mai ban sha'awa tsaro inji teredo. Tare da siphon, a raya karshen jiki ne wani farantin daga m carbohydrate chitin. A hali na hatsari, dabba fa, tã siphons cikin itace hanya. A rami haka rufe chitinous farantin.

mazauninsu

All bivalves rayuwa a cikin ruwa. Su za a iya samu a duk tekuna, fãce kawai mafi sanyi. Wannan shi ne saboda gaskiyar cewa suna ciyar da tacewa. Jirgin tsutsa ya wuce ta wata siphon ruwa daga kwayoyin sharan da ke cikinta. Wani tushen ikon teredo ne itace. suka yi shi motsa Tare da rage harsashi. Saboda haka teredo rayuwa a itace Piers kuma jirãge, driftwood, auku zuwa kasa, da kuma rhizomes na marine shuke-shuke.

ciki tsarin

Kamar dukan mollusks, marine tsutsotsi da sakandare jiki kogo. Duk da haka, da gibba tsakanin gawarwakin suna cike da sako-sako da connective nama. Sistem sakulasan ne sistem na dabba - ba rufe. Ya kunshi na zuciya da jini. Jini daga jijiya shiga jiki kogo. Ga abin da ake gauraya da wani ruwa, da kuma wanke dukkan gabobin. A wannan mataki da gas musayar. A jini shiga zuciya ta cikin jijiyoyinmu. Jirgin tsutsa - banda kisan gillar dabbobi. Saboda haka, rayuwa a sosai ruwan sanyi, ya iya ba.

Borers numfashi gabobin ne gills, via wanda shi garwaya da oxygen daga ruwa. A excretory tsarin da aka wakilta kodan. rayuwa kayayyakin an ware okolomantiynuyu kogo. Jirgin tsutsa juyayi tsarin yana da warwatse-Nau'in mahaɗar.

Features na rayuwa

Jirgin tsutsotsi ne a akai mataki. Daya minti suke yin game da goma-hakowa ƙungiyoyi. A lokaci guda suna turawa da sash, wanda ya hallaka su jagged itace. The girma na jirgin tsutsa jũya ƙaruwa a matsayin dabba da kanta. Suna iya isa zuwa mita 2 a tsawon tare da diamita na 5 cm Tare da wannan hanya ta rayuwa shi ne daya fi na sunan -. Kafinta. Abin mamaki shi ne cewa wadannan motsa clams taba rarraba. Masana kimiyya sun bayar da shawarar cewa ji gabatowa sauti na hakowa "maƙwabcinsa" da kuma canza su da shugabanci. Ga nuna girmamawa ga dabbobi ga juna!

Domin hadaddun carbohydrate narkewa daga cellulose, wanda kunshi itace, na bukatar wasu enzymes. Teredo ba zai iya da kansa samar da su. A peculiar tsarin da narkewa kamar tsarin ne gaban dogon makafi outgrowth na ciki, wanda aka kullum tara kwakwalwan kwamfuta. Yana gida symbiotic kwayoyin. Sun manne cellulose zuwa monosaccharide glucose. Wani aiki na symbiotic nitrogen kam shi ne ba a cikin ruwa.

Sake bugun, kuma ci gaba da

Jirgin tsutsotsi - dauke da lalurar mata. Wannan yana nufin cewa daya musamman hanya na biyu namiji da mace jam sel. The hadu qwai ne na farko branchial rami a cikinsa ci gaba har zuwa 3 makonni. Su larvae ci gaba su. Sun fita cikin ruwa da kuma iyo a nan domin wani makonni 2. Kafa mollusk farawa don a samar da musamman gina jiki dũkiyõyinsu a cikin hanyar wani thread - bisus. Tare da shi, da tsutsa ne a haɗe zuwa katako. A wannan lokacin teredo yana da hankula bayyanar da bivalve. Mafi yawa daga jikinsa don boye bawo, na da kafar protrudes kula. Kamar yadda dabba ta zama kamar wata tsutsa.

The darajar yanayi da mutum rai

Jirgin tsutsotsi da gaskiya da aikata miyagun ɗaukaka. Suka gaske kawo da yawa daga lalacewa da hallaka su katako motsa. Musamman m ne wadannan dabbobi sun kasance a zamanin da, a lokacin da mutane ba su sani ba yadda za a yaqe su. Jirgin tsutsotsi ne iya hallakar da kasa ko gefen jirgin, jũya zuwa ƙura gadoji da Piers support, sa da mutuwar marine shuke-shuke. Yanzu da itace, wanda zai iya zama "wanda aka azabtar" na jirgin tsutsotsi, an rufe shi da musamman mai guba abubuwa da cewa yin shi "inedible" for Shellfish data.

Saboda haka, jirgin tsutsotsi, duk da sunan, su ne wakilan da wani aji "Bivalve molluscs". Suna zaune a kusan duk tekuna, ya magance kan itace abubuwa. Wadannan dabbobi da wani elongated taushi jiki da kuma biyu rage rabin harsashi. Tare da su taimako, suka yi motsa a cikin itace, ta haka ne ya hallaka shi da kuma haddasa babban lahani.