Gịnị bụ digestive gland na klaam? Atụmatụ nke Ọdịdị nke molluscs

Isiokwu anyị na a raara nye ịtụnanya anụ ọhịa - mollusks. N'ihi na peculiarities nke ha mebere atumatu, ha mụtachara ma okenye na ala-air gburugburu ebe obibi. Nje ndị a na-enwe ọtụtụ ihe owuwu ndị pụrụ iche nye ha. Gịnị bụ digestive gland na klaam na uwe-nwuda uji eze, n'elu mmiri, nnukwu ụlọ, itinyekwu? Ka anyị lee anya ọnụ.

Atụmatụ nke Ọdịdị nke molluscs

The aha nke a Ịhazi ịdị n'otu a na-si sụgharịa Latin pụtara "myagenkie". N'ezie akịrịkọ (foto n'okpuru na-egosi otu n'ime ndị nnọchiteanya nke ụdị) bụ invertebrates. Ha adụ unsegmented ahụ a na-echebe site na a sink na mejupụtara atọ akụkụ: isi, toso na ụkwụ. Onye ọ bụla n'ime ha na-eburu a ọnụ ọgụgụ nke ozu.

N'isi-ya, a ụzọ nke tentacles na-eje ozi dị ka tactile ngwa. Ụkwụ bụ na ventral n'akụkụ nke ahụ ahụ, ikwe ka ije nke molluscs. Ogwe ụmụ anụmanụ si n'akụkụ niile gbara ya gburugburu a anọghị n'ogige atụrụ Ibé akwụkwọ, nke a na-akpọ uwe-nwuda. N'ihi a oghere na-kpụrụ n'etiti a Ọdịdị na ahu. Na ya bụ akụkụ okuku ume na akụkụ, ducts nke digestive, excretory na omumu usoro.

Basics nke nhazi ọkwa

Biko mara na akịrịkọ, photos nke na-e kwuru n'isiokwu a bụ n'ụzọ dị iche iche na mpụga atụmatụ. Dabere na atụmatụ ndị a, e nwere ihe atọ na klas: Bryuho- na Cephalopods, Bivalve. Anọchitekwa anya nke ìgwè nke mbụ mụtachara bụghị nanị ozu mmiri, ma a dịgasị iche iche nke akpa nkata nke ala: ala ma ọ bụ oké ọhịa n'ala. Mgbe gastropods na-ọma mepụtara niile akụkụ ahụ. Ogwe nke ọtụtụ n'ime ha na-emi odude n'ime a helically gbagọrọ shei.

cephalopods ahụ mejupụtara ụkwụ na toso na ụkwụ gbanwetụrụ n'ime tentacles. A mara mma nke a na klas bụ ikike ugboelu propulsion. Nke a kwere omume ekele a pụrụ iche tubular guzobere - a foneelu. Ọ bụ a gbanwetụrụ akụkụ nke ụkwụ.

Bivalves ndụ nanị mmiri ozu. Ha adịghị enwe a isi, ya mere na-efunahụ nke akụkụ: tentacles, akpịrị, ire, na ise n'elu, na-emepụta asọ mmiri. Ha shei mejupụtara abụọ nkù, nke na ọtụtụ umu nwere projections na recesses. Ha collection a na-akpọ nnukwu ụlọ.

Ọdịdị nke ahụ digestive usoro

All akịrịkọ bụ site na digestive usoro nke ụdị. Na Bryuho- cephalopods na ọ na-amalite ọnụ oghere. On ókè ya na ndị pharynx odude agụụ mmekọ jaws. Na enyemaka ha, akịrịkọ nri kpụchasịrị si dị iche iche na-ebupụta. The ike, nke na-agwụ na-usoro, ga-emepe n'ime uwe-nwuda oghere.

Isi digestive gland na klaam - a imeju. Ọ na-anọchi anya outgrowth nke midgut. Kasị umu nwere a asọ gland. Fọrọ nke nta niile Cephalopods emit egbu egbu umi na nke ibibi anụ na igbu.

Gịnị bụ digestive gland na klaam

Nke a na akụkụ nke digestive usoro a na-akpọ imeju-pancreas ma ọ bụ gepatopankreaticheskaya ígwè. Site raara ducts ya na-aga n'ihu na-metụtara ndị eriri afọ. Digestive gland na klaam abuana ke mgbaze na absorption nke organic bekee. Ọ bụ ebe a na-ụlọ ahịa abụba na carbohydrates, na-emezu phagocytosis.

Gịnị bụ digestive gland na klaam, nke dịịrị klas nke cephalopods? N'ihi na otu a ndị na-ji a pụrụ iche Ọdịdị. Ha naanị nwere imeju, pancreas na asọ glands.

Ụdị nri: Bivalves na Cephalopods

Atụmatụ nke Ọdịdị nke ahụ digestive usoro akịrịkọ klaasị ọ bụla na ụdị ọkọnọ ịdị iche iche. Dị ka ihe atụ, ahụkarị bivalve bụ nyo feeders. Iji mee nke a, ha na-eji a pụrụ iche Ọdịdị, a na-akpọ siphons. Ha bụ nke abụọ na ụdị. Abatakwa site n'ọnu-miri siphon mmiri na kwụsịtụrụ organic ahụ. The uwe oghere ọ na-ẹdụk. Site n'enyemaka nke cilia nri abatakwa ọnụ oghere. Agafe tract, ọ abatakwa karama ọnyà.

Kasị cephalopods - anụ. Ha tentacles na-emi odude suckers na aka catch ma jide na-eri anụ. Ha na-eri nri na crustaceans, azu na ndị ọzọ akịrịkọ. The onu cephalopods bụ grater na agụụ mmekọ agha. Ha bụ nnọọ ike nke na ha na-enwe ike-etipịa ọbụna shells nke crabs. Iji na-adọta na-eri anụ, ndị a mollusks nwere ihe pụrụ iche akụkụ nke luminescence. Na iji chebe si iro ha na-eji ink gland. Mgbe mikpuru n'ime mmiri ya kpụrụ a nzuzo a gbara ọchịchịrị ntụpọ n'okpuru cover nke anụmanụ odịbe.

Atụmatụ Power molluscs: Gastropods klas

Ndị a mollusks, ke akwa nọmba nke ikpe, na-herbivorous. Mgbe-ejegharị ejegharị ha kpụchasịrị algae eji a grater na agụụ mmekọ jaws. Gịnị bụ digestive gland na klaam na klas a, nke na-anụ? Ụfọdụ n'ime ndị a umu ke mejupụtara nke asu na-agụnye na igirigi ibu sulphuric acid. Ọ bụ ike nke na dissolving na shells nke metụtara ma ọ bụ nsi iro. Dị otú ahụ eri gastropods grater eji naanị jide na-eri anụ.

N'otu oge, ke ọnụ, nri ahụ arapara viscous asu. Ọtụtụ cilia, nke na-emi odude na akpịrị, zigara a akpụ na m afo. On ya n'ọnụ ọgwụgwụ bụ a pụrụ iche Ọdịdị, nke a na-akpọ prostyle. Ọ na-kpụrụ sedimentary ahụ. Prostyle eme ka a ukwu, nke kewara nri ahụ si asu.

N'ụzọ dị ịtụnanya, e nwere nri solemy akịrịkọ. Ha digestive usoro kpamkpam belata. Ọkà mmụta sayensị na-atụ aro na assimilation nri ha na-eji chemosynthetic bacteria.

Ya mere, klam na-invertebrates nwere a adụ unsegmented ahu. Ha nwere site na digestive usoro nke ụdị, nakwa dị ka pụrụ iche glands: asọ, pancreas na imeju na. Dị ka usoro nke akịrịkọ enweta ike ga-grouped n'ime atọ, obosara-iche iche: nyo feeders, herbivorous na anụ.