Gastropods: Ọdịdị, mkpa ọrụ, amụba

Gastropod mollusks, ma ọ bụ ejula na-atụle a kama ibu na klas nke ụmụ anụmanụ, nke taa nwere ihe dị ka 100 puku umu. Fọrọ nke nta niile ochie so n'ìgwè ndị mmiri ntule, nke na N'ezie evolushọn kwaga na terrestrial na freshwater lanarị. Mara na akịrịkọ nje ndị ọzọ, ma ọ bụghị nke ukwuu. -Akpali mmasị, ụfọdụ ụdị kwaga a abụọ oge na mmiri ụzọ ndụ, ndị nna nna ha ndị terrestrial ntule.

Gastropods: ahụ ụlọ

Aru nke na-anọchite anya nke ụdị ekewa a isi ụlọ ọrụ, ahụ, muscular ụkwụ. Na isi nke ọtụtụ umu nwere otu ma ọ bụ abụọ ụzọ abụọ nke tentacles. Ma ihe ndị akpati, ọ bụ asymmetrical na bụ kpam kpam na-asa. Imi na gastropod integral na Nleta a gburugburu dị iche iche na nọmba nke curls. Ụkwụ na-eje ozi na-akpụ akpụ na gwara - nwere a pụrụ iche naanị na underside. Na mberede, isi na ụkwụ anụ tightened n'ime shei.

Nwuda-oghere nke anụmanụ bụ na ala shei ibe. Ndị a ducts emeghe excretory usoro, nakwa dị ka ike. Ụfọdụ ndị na klas ebe a bụ ụzọ ọpụpụ ducts nke omumu usoro. Ọ bụ na-akpali na akụkụ nke uwe-nwuda na mmiri ghọrọ usoro na gills, na terrestrial bi-nọ na-ìhè.

Integument ọkọnọ epithelium, nke bụ ọgaranya kpọmkwem glands na-emepụta imi.

Gastropods: esịtidem Ọdịdị

Digestive usoro amalite onu uji eze, na oghere nke a na-ewekarị na underside nke isi obodo. Akpịrị bụ a kpọmkwem kwadoro akpọ radula, nke bụ a chitin grater na nke nri na-echi ọnụ n'ala na-abatakwa na nkọlọ. Next abịa afo (ebe a na-emeghe hepatic ducts) na eriri afọ, na-agwụcha onu.

The excretory usoro na ọtụtụ umu na-anọchi anya otu akụrụ, ọ bụ ezie na e nwere ndị na ụmụ anụmanụ, na abụọ na ozu. The ọbara usoro na-ezo aka lacunarity ụdị ma ndị mejupụtara obi na vaskụla usoro gaps.

Akụkụ okuku ume na usoro na-anọchi anya gills ma ọ bụ n'akpa ume. Na mmiri na-anọchite anya, dị ka a na-achị, ọ ga-hụrụ ctenidium ma ọ bụ isi gills. N'otu umu na kwaga a abụọ mmiri lanarị, mesho ọrụ na-ewe ákwà mgbokwasị. Ground nnọchiteanya na-ji a ihe mgbagwoju akụkụ okuku ume na usoro, nke ndị mejupụtara a fechaa usoro na tracheal akpa, nke diverges na-eburu ikuku niile akụkụ ahụ.

Ọfọn kpụrụ na ụjọ usoro, nke a na-ezo dị ka asị ibe-ọnụ ụdị. Ọtụtụ anụmanụ nwere ise na abụọ nke isi ganglia. Ọ bụ uru na-arịba ama na-mepụtara uche akụkụ, tinyere anya na tactile anabata.

Gastropods nwere ike a dioecious (mmiri umu) na hermaphrodites (ala na freshwater nnọchiteanya). Njikọta-emekarị ahụ nke nwanyị, mgbe ọ na-eyi ya àkwá. Ọ bụ na-akpali na otu mgbe gastropod eweta ọtụtụ àkwá otu mgbe, na-akpụ a ipigide.

Àkwá na-kpuchie na a Capsule na a obere mkpuchi n'elu. Mgbe ụfọdụ na-abụghị masonry eji imi mmasị nweghị ike ọmụmụ, efu capsules. Nke a na Usoro nwere a iji chebe onwe agwa - a eri ibe gnaws ụfọdụ efu egg, wee doo. Ma mmepe, ọ pụrụ ịbụ ma kpọmkwem na-emepụta erùrù ahụ.

Gastropods: ndị kasị ewu ewu forms

The kasị ama so na klas bụ ndị na-akpọ eju. Ọ ga-kwuru na nnukwu ìgwè dị iche iche nke ụmụ anụmanụ nwere ike ibutere akuku nke mkpụrụ vaịn. N'otu oge ahụ, akpan toro ejula ná mba ụfọdụ na-ahụta ka ihe dị oké ọnụ nri.

Na ụfọdụ nwunye banye slogu - a obere mollusc na belatara sink, nke na-azụ osisi. Nke a bụ n'ezie ajọ nke akwukwo nri n'ubi ahu, ya mere, na-ebibi bi nke na-eji.