Nudibranchs: description, wakilan

Nudibranchs - wani babban rukuni na marine katantanwa gastropods. The girma na irin dabba akwai zumunta na al'ada terrestrial slugs. Duk da haka, nudibranchs ne daban-daban daga baya a yawan musamman morphological fasali. A wannan hasashe na daraja ga wani musamman, mutum raka'a Shellfish inda akwai dubban jinsuna daban.

bayyanar

Nudibranchs ne morphologically kama da na kowa lambu katantanwa. jiki Bisa ga wadannan kankanin mazaunan tekuna da kuma tekuna abubuwa lebur kafa, wanda ya samar da su da wani wajen harkokin sufuri. A gaban sashi na jiki suna stalked outgrowths. A karshen na karshe sanya kankanin, kawai bayyane idanu. Wadannan matakai ma bauta wa nudibranchs sashen wari.

Dangane da yadda ya saba katantanwa harsashi, cewa na nudibranch ba. Jikinsu yana externally kama wani soso, ba a rufe ba. Kariya na halitta makiya a cikin yanayi domin mafi yawan su so mai guba da aka samar ta hanyar musamman Kwayoyin.

ciki tsarin

Nudibranchs na ciki halitta na jiki ne zuwa kashi da dama kungiyoyin: eolididy da dorididy. Wakilai doridid gills suna located a raya na jiki. Domin narkewa da tacewa na abubuwa shiga jiki ya gana da manyan hanta. A gefen dama can suna da doridid al'aura bude.

A mollusks eolididy kungiyar ba bako gills. Su maye waɗanda ake kira papillae - elongated protuberances cewa ana shirya a layuka a baya na irin mutane da cire oxygen daga ruwa. Hanta, wadda ke da alhakin tace abubuwa daga yanayi, aka raba mutum hannun jari. Kamar baya kungiyar na molluscs, eolididy da al'aura bude, wanda yake shi ne ko da yaushe a gefen dama. A lokacin multiplication da irin halittun ga 'yan lokacin da taba jikin da hadu jam sel.

abinci

Wakilai daga nudibranchs ciyar a kan kananan teku tãlikai. Su ganima ne yafi sedentary kwayoyin: Sponges, sessile jellyfish, bryozoans, teku anemones. Daga cikin wasu iri lokuta da cin naman mutane rubuce, musamman, cin clutches na qwai da nasu irin.

Nudibranch neman ganima da wari. Da ciwon samu m aka azabtar, molluscs ja jiki a kan saman da shi, sa'an nan ya fara zuwa kankara da taushi nama radula - m taso kan ruwa dake a cikin baka rami.

mazauninsu

Nudibranchs ne marine dabbobi. A maida hankali ne mafi girma a wurare masu zafi yankuna. Suna zaune a gwada m zurfin. Duk da haka, daga cikin nudibranch mollusks ma irin wannan cewa suna iya gubar aiki rayuwa a iyakacin duniya ruwaye.

Irin wannan abokai ne eremites ba ya ɓace a cikin kungiyoyin. Dindindin habitats suka yi ba. Kan rayuwa na Shellfish ne a akai motsi, kokarin samun abinci domin arziki. Duk da haka, nudibranchs matsawa sosai a hankali. Saboda haka, su ne iya tafiya mai nisa daga wurin haihuwa.

tumaki takardar

Bari mu gano duk game da nudibranchs tumaki takardar. A gaskiya, a yau, wannan ana tukuna kadan ne da aka sani. Azahiri Shellfish yayi kama da glowing ball, wanda jũna a kunshi greenish Jawo. A jikin dabba ana shirya musamman Kwayoyin cewa samar da oxygen ta hanyar photosynthesis. A gaban da tutsar sulug ta kai kama wani kankanin rago, ga abin da dabba samu ta sabon abu da sunan. A asirce kawaici tumaki takardar runs a Philippines, Indonesia da kuma Japan.

Glaucus

Nudibranch Glaucus kama wani mutum da aka yi kayan ado, maimakon teku tutsar sulug. A kowane gefen ta elongated jiki ne da ɗan bluish tint nau'i-nau'i daga branched appendages.

Wannan kusa zumunta na katantanwa da aka gudanar da lokaci mai yawa a farfajiya na ruwa da kuma ba ya so a tafi saukar zuwa kasa. Domin ya kula da buoyancy na jikinsa, mollusk tsattsewa iska kumfa.

Shellfish Glaucus ne m dabba. Mai guba abubuwa, shi ne samu daga abinci. Its main ganima ne jellyfish Portuguese jirgin, wanda aka san su da musamman m tentacles. Dabba ba a kanta a cikin ruwa shafi, Glaucus ne a haɗe zuwa jiki na jellyfish, kamar yadda ake buƙata raba guda na ta jiki, wanda aka yi amfani a matsayin abinci da kuma kayan to faduwa hadu qwai.

Nudibranch zinariya yadin da aka saka

Mun ci gaba da duba mafi m Wakilai nudibranch tawagar. Very ban sha'awa shi ne a mollusk kira da zinariya yadin da aka saka. A gaskiya, kasancewa kama da wani sashi na yadin da aka saka masana'anta cewa shimmers mai haske haske. Wannan irin wani katantanwa ba tare da wani harsashi ne ba haka ba da dadewa da aka samu a Hawaii.

Yanolus

Nudibranch yanolus - wani m m karkashin ruwa tãlikai. Wannan teku mazauni rayukansu a zurfin ruwa yankunan a cikin sosai kasa. Outwardly, yake kama da horned katantanwa translucent jiki ne warwatse da haske ƙayayuwa. A wani nesa wannan kankanin nudibranchs kamar wani m flower.

a ƙarshe

Kamar yadda ka gani, akwai da yawa irin wadannan sabon abu halittun kamar yadda nudibranchs. Dukan su da wani m da kuma daukan hankali look. Saboda haka, su ne a bukatar tsakanin akwatin kifaye masu goyon baya. A gaskiya, ba kawai nudibranch ne mai real dutse mai daraja na yanayi, amma kuma dauki bangare a cikin samuwar da marine al'amarin.