Nau'in molluscs: halaye da misalai

Wadatacce

• menene molluscs
• Molluscs: halaye
• rarrabuwa na molluscs
• Misali Shellfish
• 1. Chaetoderma elegans
• 2. Neomenian carinata
• 3. Kyankyasar teku (Chiton articulatus)
• 4. Antalis vulgaris
• 5. Coquina (Donax trunculus)
• 6. Kawanin Flat na Turai (Ostrea edulis)
• 7. Caracoleta (Helix aspersa)
• 8. Kwankwali na gama gari (Octopus vulgaris)
• Wasu nau'ikan molluscs

Kai molluscs su babban rukuni ne na dabbobi masu rarrafe, kusan sun yi yawa kamar arthropods. Kodayake dabbobi iri -iri ne, yana yiwuwa a sami wasu halaye waɗanda ke rarrabasu daban. Shin kuna son ƙarin sani game da su?

A cikin wannan labarin ta PeritoAnimal, bari mu san nau'ikan molluscs na yanzu, halayensu da rarrabasu, kuma za mu kuma sami jerin molluscs don ku san kaɗan daga bambancin. Ci gaba da karatu!

menene molluscs

molluscs ne invertebrates wanda gindinsa yana da taushi kamar na annelids, amma ba a rarrabe jikinsa babba, kodayake wasu na iya samun kariya daga harsashi. Ita ce mafi yawan rukunin dabbobi masu rarrafe bayan arthropods. Akwai game da 100,000 nau'in, wanda 60,000 daga cikinsu gastropods ne. Bugu da kari, an san nau'ikan burbushin 30,000.

Yawancin waɗannan dabbobin molluscs ne. marinebenthic, wato suna rayuwa a gindin teku. Wasu da yawa suna ƙasa, kamar wasu katantanwa. Babban bambancin da ke akwai yana nufin cewa waɗannan dabbobin sun mallaki ɗimbin wurare daban -daban sabili da haka duk abubuwan abinci suna cikin nau'ikan molluscs daban -daban.

Hakanan bincika a cikin PeritoAnimal wane nau'in murjani, na ruwa da na ƙasa.

Molluscs: halaye

Molluscs ƙungiya ce dabam dabam, kuma gano halaye gama -gari ga su duka aiki ne mai wahala. Don haka, za mu gabatar da mafi yawan fasalulluka, kodayake akwai banbanci da yawa:

An raba jikin kifin manyan yankuna huɗu:

• alkyabba: shine dorsal surface na jiki wanda zai iya ɓoye kariya. Wannan kariyar tana da asalin chitinous da furotin wanda daga baya ya haifar da adon duwatsu, tsinke ko harsashi. Wasu dabbobin da ba su da harsashi suna da kariyar sinadarai.
• kafar locomotive: yana ciliated, muscular kuma tare da mucous gland. Daga can, tsokoki biyu na tsokar dorsoventral suna fitowa waɗanda ke aiki don cire ƙafa da gyara shi zuwa alkyabbar.
• yankin cephalic: a wannan yankin muna samun kwakwalwa, baki da sauran gabobin azanci.
• rami kodadde: a nan ana samun osphradia (gabobin ƙanshin ƙanshi), gindin jiki (dubura) da gills, waɗanda ake kira ctenids.

O kayan aikin narkar da kifi yana da wasu sifofi na sifa:

• Ciki: wadannan dabbobin suna da narkar da kwayoyin halitta. Kwayoyin narkewa ana zaɓar su ta hanyar narkar da abinci (hepatopancreas), sauran kuma suna shiga cikin hanji don samar da ɗaki.
• radula. Kamanninsa da motsi daidai yake da harshe. Hakoran hakora da radula ke yayyafa abinci. Hakoran da suka tsufa da tsufa suka fita, sabbi kuma suka fito a cikin jakar tushe. Yawancin solenogastros ba su da radula, kuma babu bivalve.

Duk da haka, ƙari, your tsarin jijiyoyin jini a bude take, zuciya da gabobin da ke kusa ne kawai ke da tasoshin. Zuciya ta kasu kashi biyu atria da ventricle. Wadannan dabbobi ba su da na'urar fitar da kaya ƙaddara. Suna da metanephrids waɗanda ke haɗin gwiwa tare da zuciya, wanda shine matattara, yana samar da fitsari na farko wanda aka sake sawa a cikin nephrids, waɗanda kuma ke da alhakin daidaita adadin ruwa. O tsarin haihuwa yana da gonads biyu a gaban pericardium. Gametes ana kwashe su zuwa rami mai duhu, yawanci ana danganta su da nephrids. Molluscs na iya zama dioecious ko hermaphrodite.

rarrabuwa na molluscs

Mollusc phylum ya kasu zuwa aji takwas, kuma duk suna da nau'in rayuwa. Rarraba molluscs shine:

• Darasi na Caudofoveata: suna molluscs a ciki siffar tsutsa. Ba su da bawo, amma jikinsu ya lulluɓe da ƙyalli na ƙyalli da aragonitic. Suna zaune binne a ƙasa juye.
• Class Solenogasters. Su ma suna da sifar tsutsa, amma maimakon su zauna a binne, suna rayuwa kyauta a cikin teku, suna ciyar da cnidarians. Hakanan waɗannan dabbobin suna da ƙyalli na calcareous da aragonitic.
• Darasi na Monoplacophore: su ne molluscs na farko. jikin ku ne an rufe shi da harsashi ɗaya, kamar rabin tsutsa, amma suna da ƙafar tsoka kamar katantanwa.
• Polyplacophora aji. Jikin waɗannan molluscs an rufe shi da wani faranti da aka ƙarfafa tare da magnetite. Hakanan suna da ƙafar ƙafar tsoka da radula.
• Darasi na Scaphopoda: waɗannan molluscs suna da jiki mai tsayi sosai, haka kuma harsashin su, wanda aka yi masa kaho, kuma shi ya sa aka san su da harsashi na fang. Yana daya daga cikin sanannun nau'ikan molluscs na ruwa.
• Babban darajar Bivalvia: bivalves, kamar yadda sunan ya nuna, su ne molluscs wanda jiki yana tsakanin bawuloli biyu ko bawo. Waɗannan bawuloli biyu suna rufe godiya ga aikin wasu tsokoki da jijiyoyi. Mafi shahararrun nau'ikan bivalve molluscs sune tsutsotsi, mussels da kawa.
• Darasi na Gastropoda: an san gastropods dodunan kodida slugs, duka na duniya da na ruwa. Suna da yanki na sifa mai banbanci mai kyau, ƙafar tsoka don rarrafe ko yin iyo, da harsashin dorsal. Wannan harsashi na iya kasancewa a wasu nau'in.
• Class Cephalopoda: ƙungiyar cephalopod ta ƙunshi dorinar ruwa, sepia, squid da nautilus. Duk da abin da zai iya zama alama, dukkansu suna da harsashi. Mafi bayyane shine nautilus, tunda na waje ne. Sepia da squid suna da babban ko lessasa babban harsashi a ciki. Kwallan dorinar ruwa kusan na vestigial ne, ƙanƙara mai ƙyalli biyu kawai suka rage a jikinsa. Wani muhimmin sifa na cephalopods shine, a cikin wannan ajin, ƙafar muscular da ke cikin molluscs an canza ta zuwa tantuna. Zai iya samun tsakanin 8 da fiye da 90 tentacles, dangane da nau'in mollusc.

Misali Shellfish

Yanzu kun san halaye da rarrabuwa na molluscs. Na gaba, za mu yi bayani game da wasu nau'ikan kifin kifi da misalai:

1. Chaetoderma elegans

siffa kamar tsutsa da harsashi, wannan shine ɗayan nau'ikan molluscs waɗanda ke cikin aji Caudofoveata. Yana da rarraba wurare masu zafi a cikin Tekun Pacific. za a iya samu a zurfin mita 50 fiye da mita 1800.

2. Neomenian carinata

Kuma wani vermiform mollusc, amma wannan lokacin yana cikin dangin Solenogastrea. Ana samun waɗannan nau'ikan molluscs a cikin zurfin zurfin tsakanin mita 10 zuwa 565, rayuwa cikin walwala a cikin Tekun Atlantika, a kan iyakar Portugal.

3. Kyankyasar teku (Chiton articulatus)

Kyankyasar teku wani iri ne molluscpolyplacophora endemic zuwa Mexico. Yana zaune a cikin duwatsun duwatsu na yankin intertidal. Babban nau'in ne, ya kai tsayin santimita 7.5 tsakanin nau'ikan molluscs.

4. Antalis vulgaris

Yana da nau'in scaphopod mollusk tare da tubular ko harsashi mai ganima. Launinsa fari ne. Rayuwa cikin yashi da laka substrates m, a cikin sassan intertidal. Ana iya samun waɗannan nau'ikan molluscs a gefen Tekun Atlantika da Bahar Rum.

5. Coquina (Donax trunculus)

Coquinas wani nau'in nau'in kifi ne. Su ne bivalves na ƙananan girma, galibi suna rayuwa a kan tekun Atlantika da Bahar Rum. Suna shahara sosai a cikin abincin Rum. Suna iya zama a cikin yankin subtidal game Zurfin mita 20.

6. Kawanin Flat na Turai (Ostrea edulis)

Oysters suna daya daga cikin iri molluscsbivalves na tsarin Ostreoid. Wannan nau'in na iya auna har zuwa santimita 11 kuma yana samarwa uwar lu'u -lu'u. Ana rarraba su daga Norway zuwa Maroko da Bahar Rum. Bugu da ƙari, ana noma su a cikin kifin kifin.

Dubi wasu misalai na dabbobin daji da juzu'i a cikin wannan labarin PeritoAnimal.

7. Caracoleta (Helix aspersa)

katantanwa a iringastropod mollusk tare da numfashin huhu, wato ba shi da gills kuma yana rayuwa a saman ƙasa. Suna buƙatar danshi mai yawa, kuma idan ba su yi ba, suna ɓoye cikin ɓawonsu na dogon lokaci don hana bushewa.

8. Kwankwali na gama gari (Octopus vulgaris)

Babban dorinar ruwa na kowa shine a cephalopod wanda ke zaune a cikin Tekun Atlantika da Bahar Rum. Yana auna kusan mita a tsayi kuma yana iya canza launi godiya ga ta chromatophores. Yana da babban darajar gastronomy.

Wasu nau'ikan molluscs

Kuna son ƙarin sani? Na gaba, za mu ambaci wasu nau'in na molluscs:

• Scutopus robustus;
• Scutopus ventrolineatus;
• Laevipilina cachuchensis;
• Laevipilina rolani;
• Tonicella lineata;
• Rarraba Chiton ko Phantom Chiton (Granular acanthopleura);
• Ditrupa arietin;
• Kogin Mussel (margaritifera margaritifera);
• Murmushi na Pearl (crystal mai zaman kansa);
• Iberus gualtieranus alonensis;
• Iberus gualtieranus gualtieranus;
• Babban Gizon Kudancin Afirka (Achatina sooty);
• Sepia-na kowa (Sepia officinalis);
• Babban squid (Architeuthis dux);
• Babban Gizon tekun Pacific (Enteroctopus dofleini);
• Nautilus belauensis.

Ƙara koyo game da duniyar dabbobi, duba labarinmu akan nau'ikan kunama.

Idan kuna son karanta ƙarin labarai makamantansu Nau'in molluscs: halaye da misalai,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.