Ikon flatworms. A feed flatworms?

All wakilan kwayar dabbobi ne daban-daban matakan da kungiyar, da halayyar siffofin na rayuwa matakai da ake hada a takamaiman halittun - iri. A total na 7 Buga na flatworms ne ɗaya daga cikinsu. Wadannan halittu suna sosai saba da yanayin zama da kai da nazarin halittu alkuki. Ta yaya ne abinci flatworms? Answers ana neman a mu labarin.

Janar Halaye na flatworms

The sunan wakilan wannan taxonomic kungiyar samu godiya ga jiki siffar. A gicciye sashe kama flatworms takardar ko tef. Wadannan dabbobi ne halin da hadin fasali da kuma siffa Gabar tsarin. Musculoskeletal tsarin gabatar fata-murdede buhu, wanda ya kunshi dama surface epithelium da tsoka yadudduka. A excretory tsarin kunshi wani bakin ciki tubular, zahiri bude pores.

Mafiya yawa lebur tsutsotsi - dauke da lalurar mata, amma wasu za a iya karbe da kuma vegetatively. A parasitic jinsunan canji na masu An lura a cikin rayuwar sake zagayowar - karshe kuma matsakaici. A juyayi tsarin qunshi tsakiya da kuma na gefe sassa. Amma numfashi flatworms da kuma gudanar da gas musayar fadin dukan surface na jiki.

mazauninsu

Daga cikin dabbobi samu a duka parasitic da kuma free-nau'in halittu masu rai, wanda kayyade ikon flatworms. Su za a iya samu a cikin tekuna, sabo da ruwa, da kuma sosai da wuya a ƙasar a wurare masu zafi gandun daji.

Parasitic nau'in rayuwa a cikin hanji da kuma hanta na dabbobin da yawa: shanu, aladu, da karnuka, Cats, kuma ko da maniyyi Whales. Wasu m nau'in rayuwa a cikin jikin mutum.

Features na narkewa kamar tsarin

Narkewa kamar tsarin ne rufaffiyar irin flatworm. Ya kunshi bakin da hanjinsu. Ta yaya ne abinci flatworms? Abinci barbashi shiga ta bakin ake narkewar a cikin hanji branched, kuma sharan ma cire ta hanyar wani bude located a ƙarshen gaban na jiki.

Ikon flatworms da suke da parasitic hanyar rayuwa, shi ne saboda rundunar. A irin wadannan gaba daya samarwar gabobin na narkewa kamar tsarin. Riga narkewar abubuwa da suka sha ta hanyar da inuwõyi.

ikon flatworms

Tsutsotsi cewa rayuwa a cikin daban-daban ruwa jikinsu, suna da yara. Sun kai farmaki kananan dabbobi, da kuma kasa da musamman proboscis tsotse fitar da abinda ke ciki.

Ikon flatworms da roundworms ne ɗan daban-daban, saboda karshen ta hanyar tsarin narkewa kamar irin. Yana yana da tsari na tube tare da baka da kuma tsuliya takware, don haka da metabolism na su ne mafi tsanani. Free-terrestrial flatworms ciyar a kan kwari larvae cewa rayuwa a cikin damp gandun daji bene.

turbellarians

Wakilai daga wannan aji na dabbobi rayuwa a cikin ruwa. A cikin wannan yanayi, da epithelial Kwayoyin asirce musamman asiri, wanda taimaka wa ci gaba da kananan benthic dabbobi - crustaceans, hydro, daban-daban larvae. Ikon flatworms na aji daukan wuri ne sosai sabon abu.

Alal misali, a Milky fari planarians baka bude ayi a tsakiyar jiki a ta ventral gefe. A tsutsa rarrafe a kan wanda aka azabtar, haka ajiye shi. Bugu da ari, ta bakin proboscis protrudes ta hanyar abin da planaria tsotsa ruwa abinda ke ciki na hakar jiki.

flukes

A feed flatworms da suke da parasitic? Ka yi la'akari da wannan tambaya a matsayin misali flukes aji. Sunan suka samu godiya ga suckers. Yawanci, akwai biyu: na baka da kuma na ciki. Tare da su taimako, da parasites a haɗe zuwa ciki gabobin da rundunar.

Wadannan tsutsotsi ne a aiwatar da ci gaban ne fairly hadaddun rai sake zagayowar. Alal misali, qwai hanta fluke farko da undigested abinci saura dabbõbi fada a cikin ruwa, sa'an nan - a cikin jikin mollusks, inda suka ci gaba tailed maggots cewa tafi a cikin ruwa sake. Ya magance a kan shuke-shuke, da suka juya zuwa cysts. Cattle, wanda shi ne tabbatacce rundunar m kamu lokacin cin abinci ko shan ruwa da ciyawa. A jikinsa mafitsara fara girma da kuma ci gaba a cikin ya fara tasawa, girman wanda har zuwa 3 cm.

Yana da a wannan mataki, tsutsa abinci. A kasa na farko sucker ne bakinka cewa ya buɗe a cikin hanji. Narkewa kamar tsarin yana da wani nau'i na jakar ko biyu tashoshi, wanda makafi karshen. Tun da babu wani data tsutsotsi jiki rami da jini tsarin, gastrointestinal fili, da kuma aikata aikin da aiki na samar da dukan jiki da daban-daban abubuwa. Flukes ciyar a kan jini, gamsai kuma epithelial Kwayoyin. helminths rayuwa kayayyakin saki ta bakin, ta haka ne guba da karshe rundunar kwayoyin.

tapeworms

Wakilai daga wannan aji suna halin da cikakken rashi na narkewa kamar tsarin. Wannan yanayin da aka alaka da hanyarsa ta rayuwa. A shugaban tapeworms ne na musamman gabobin da aka makala. Za su iya zama kamar yadda tsotsa kofuna, hooks ko proboscis. Tare da su taimako, da parasites a haɗe zuwa ganuwar da kananan hanji. Riga partially narkewar abubuwa da suka sha dukan surface na jiki, don haka gabobin na narkewa kamar tsarin ba su bukatar.

Tapeworms ne mai tsanani hatsari ga mutum wanda shi ne ga su a matsayin tsaka-tsaki da kuma karshe rundunar. Mamaye babban adadin gina jiki da kuma bitamin, da m aka girma cikin sauri, wani lokacin kai gigantic rabbai. Alal misali, Bovine da porcine tapeworm girma har zuwa mita 10. Cin abubuwa nufi ga mutane, parasites da sauri deplete jikinsa. A wannan yanayin ma akwai guba rundunar tsutsotsi kayayyakin musayar. A mutumin kamu da tsutsotsi, fuskantar wani rauni, juwa ko jiri, tashin zuciya, anorexia, kuma ko da asarar sani.

Saboda haka, abin da ya ci flatworms, ya dogara da mazauninsu da kuma hanyarsa ta rayuwa. Wadannan yanayi sanin tsarin da kuma halaye na su narkewa kamar tsarin. Wannan irin dabba hadawa 3 azuzuwan: ciliary, tapeworms da flukes. A farko ne free-rai da yara cewa farauta a cikin kududdufai a kan karami dabbobi. Flukes - parasites cewa hašawa da su zuwa kayan ciki da kyallen takarda da abinci da kayayyakin. Tapeworms rasa narkewa kamar tsarin. Wadannan parasites rayuwa a cikin lumen na dabba da mutum kananan hanji, ciyar a kan riga narkewar abinci barbashi.