Mussel: tsarin da kuma hanya ta rayuwa

Mussel ne daya daga cikin na kowa bivalves, ya wakilta a cikin gida ruwaye. Mazaunin ce form, yafi a kan yashi, kuma a cike da laka bottoms. Bari mu bincika a cikin daki-daki cikin tsari na mussel bawo, gano irin rayuwa shi ne wannan mollusk.

tsarin

Idan akai la'akari da tsarin da mussel harsashi, da m da ciki yadudduka, shi ne ya kamata a lura da cewa wannan mollusk ne sosai kama da sauran kowa a cikin ruwan Shellfish - perlovitsy. A siffar bawo na wadannan jinsunan ne kusan m. Duk da haka edentates mafi m, kuma suna da wani bakin ciki matsanancin harsashi tsarin. Bugu da kari, wadannan halittu ba dauke da hakora a ciki da harsashi, forming wani irin castle kamar perlovitsy. Saboda haka sunan - mussel.

Idan akai la'akari da look na mussel harsashi, da matsanancin harsashi tsarin, ya kamata a lura da cewa karshen an kafa daga biyu a hankali dab da juna jaraba halves. A gaban nutse yana da wani tsawo. A raya yankin da aka quntata. Muna zaune, freshly kama Shellfish leaf ne ko da yaushe tam rufe, wanda yake shi ne m reflex da yara.

Don bincika ciki tsarin mussel bawo sun yanke ciki tsokoki da cewa rike da harsashi rufe. A irin wannan yanayi ta rage kwatami bayyanar da m jijiya Kakakin cewa shimfida tare da dukan dorsal ɓangare na mollusc jiki. Duk da yake mussel ne rai, da m harsashi mafi yawan lokaci ya zauna rufaffiyar. Lokacin da wata dabba mutu, tsokoki shakata da kuma kofofin da yardar kaina bayyana.

Mene ne wani harsashi mussel?

Ya kamata a lura da cewa tsarin da mussel bawo da kandami, kazalika da dukan wannan perlovitsy kusan m. A matsanancin harsashi na mollusk, a gaskiya, shine jaraba Layer na lemun tsami, ya rufe tare da stony a cike da laka brownish patina. Idan wani yanki na harsashi sanya a cikin wani hydrochloric acid bayani da wani abu zai rayayye saki gas kumfa. Wannan ya nuna da kwayoyin tsarin da matsanancin harsashi mollusk.

Edentates nazarin tsarin, ana iya gani cewa a ciki da harsashi ƙunshi nacreous Layer wanda yana da nau'i na bakin ciki faranti, nonoverlapping. A surface da harsashi a nan da wani m iridescent gleam.

A general, da keratinized ɓangare na mollusk jiki kunshi uku yadudduka. A matsanancin harsashi suranta wani ɓangare na jaraba Layer na lemun tsami. Tu mussel harsashi liyi tare da ain da pearlescent Layer.

m kyallen takarda

Binciko da suke mussel, kilam tsarin kamata gaya ciki alkyabbar rami na dabba. Bude da harsashi bawuloli, za a iya gani folded fata Tsarin cewa suna located a garesu na jiki. A gefuna da taushi tsokoki smoothly a cikin kwatami kuma suna da alaka da jaraba Tsarin karfi jijiyoyin.

A tsarin da mussel waje gabatar fairly resistant zuwa inji danniya Tsarin. Bi da bi, ciki daga cikin mollusk ne mai taushi. Saboda wannan dalili, wadannan dabbobi suna kira spineless. Alkyabbar, folded ciki gabobin ne kogo. Don la'akari da su isasshe sassauta m kyallen takarda.

Leaf harsashi a raya na jiki kilam dok tam. Akwai kananan rata ta hanyar abin da sabo ruwa gudana a cikin kwatami. The ruwa da aka tace mussel narkewa kamar gabobin da aka fitar ta hanyar wani na musamman rami a babba jiki. Motsi da ruwa a cikin alkyabbar da rami yana kiyaye ta rhythmic hawa da sauka daga ciliated ake kira cilia cewa rufe kayan ciki na mollusc.

Numfashi da kuma juyayi tsarin

Alkyabbar rami na mollusc da gills. Bambanta su daga sauran taushi tsokoki na iya zama da halayyar zuwa launin ruwan kasa inuwa. A kowane gefe na ciki da harsashi leaf ƙunshi biyu daga gills. Ruwa ya shiga cikin kwasfa mussel kawo ba kawai gina jiki amma kuma oxygen.

Game da juyayi tsarin, shi ne m, a mussel kuma kunshi dama nau'i-nau'i daga ganglia. Da taimakon jijiya zaruruwa located in m kyallen takarda, Shellfish tsinkayen samuwar kasashe da kuma amsa su. Alal misali, sa'ad da ka matsa bude nutse, ta sash instinctively rufe.

kiwo Features

Edentates ne namiji yake. Azahiri, mace ba ta bambanta daga maza. A lokacin da ma'abota kakar Shellfish mayar da hankali a wannan yanki na tafki. Maza emit iri a cikin ruwa. A jikin mace maniyyi shiga ta hanyar wani na musamman tarko, bayan da hadu qwai fara. Na karshen, da larvae ci gaba. Ta hanyar wannan siphon ba tukuna kafa cikakken mutane fita waje.

Slapping da rudiments na fuka-fuki, da larvae fito fili daga kasa da kuma kokarin samun da qafafunku a kan Sikeli na kifi sailing. Bugu da ari, a jikin kifi kafa wani irin rafta. Tu Shellfish ya ci gaba da halittu farfadowa da girma a cikin size. Bayan 'yan makonni da matasa mussel, wanda tsari ne mafi kama da adult mutane, tearing fata "master" da kuma samun da kasa na tafki. Saboda haka, a zahiri parasitic a kan kifi, Shellfish larvae zauna sabon habitats.

hanyar rayuwa

Mussel, wanda tsarin da aka bayyana a sama, kai a sedentary salon. Irin wannan Shellfish ciyar a kan passively. Edentates tace daga cikin ruwa barbashi m kwayoyin da kuma shuke-shuke. Last fada alkyabbar rami ta cikin baka lobes - kananan leathery folds, located a gaban na jiki. The motsi na cilia na ciliated amfani abubuwa suna kore a cikin narkewa kamar gabobin.

Don bi hanyar rayuwar mussel da hali a irin wannan yanayi, shi ne isa ya sa da mollusc a wani akwatin kifaye cewa yana da wani m kasa. A cikin nassi na lokaci za a iya gani razdvizheniya harsashi bawuloli. Ta hanyar da crack waje peep leathery naɗi, godiya ga wanda dabba motsa tare da kasa. By kanta a farfajiya na yashi mussel bar m GROOVES. A cikin awa kilam iya rufe nesa ba fiye 30-40 santimita.

a ƙarshe

Kamar yadda za a iya gani, mussel ne na hali wakilan m bivalves. Irin wannan dabbobi suna massively zaunar a cikin tafkunan da kõguna a cikinta, saboda ba su da halitta makiya. A bambanci to wannan oysters da kuma mussels, mussel ba amfani ga ɗan adam amfani.