Makance rufaffiyar narkewa kamar tsarin da wani dabbobi?

Tamanin da aiwatar da narkewa da metabolism abubuwa to rayayyun kwayoyin halitta ne quite wuya a overestimate. Lalle ne, kasancewar ba tare da shi ne kawai zai yiwu ba. A wannan labarin, za mu duba a cikin daki-daki, jigon wadannan matakai, musamman tsarin da kuma iri daban-daban na narkewa kamar tsarin a daban-daban kungiyoyin na dabbobi.

Mene ne metabolism?

Abinci mai gina jiki shi ne wani muhimmin alama na duk rayuwa tare da numfashi, motsi, da kuma haifuwa adaptability. The ayyuka na narkewa kamar tsarin, da farko, kuma farkon, shi ne don aiwatar da metabolism. Sun shigar da jiki, su ana tuba, sa'an nan fitarwa daga gare ta. Wannan aiki da aka yi da ba kawai da narkewa kamar tsarin. Alal misali, saboda numfashi aiki a duk Kwayoyin na jiki kawota tare da oxygen da kuma samar da carbon dioxide.

The ayyuka na narkewa kamar tsarin

A tsarin narkewa kamar, sunadarai, carbohydrates, lipids, ma'adinai salts, bitamin da kuma ruwa kunshe a cikin abun da ke ciki na daban-daban kayayyakin an hõre inji da kuma sinadaran hari. Wannan proihodit domin jiki ne iya metabolize su canzawa. Saboda haka, duk abubuwa a cikin narkewa kamar fili an raba cikin karami su, suna tunawa a cikin jini da kuma tunawa. A sakamakon haka, jiki samun makamashin da ake bukata ga dukkan rayuwa tafiyar matakai.

Shin akwai rayuwa ba tare da narkewa kamar tsarin ne zai yiwu?

A duban farko wannan tambaya na iya ze m. Amma akwai dabbobi da cewa ba ka bukatar ka karya saukar gina jiki. Suna samun su a shirye-sanya. Wannan shi ne musamman parasitic tsutsotsi. Suna zaune a cikin hanjinsu na dabbobi da mutane ducts. Alal misali, wani wakilin aji Tapeworms - Bovine tapeworm garwaya da gina jiki, ta hanyar wasu inuwõyi. A daidai wannan lokaci shi sa gagarumin cutar da rundunar kwayoyin, guba da abinci selection.

Nau'in na narkewa kamar tsarin tsarin

A tsarin da narkewa kamar tsarin iya zama na dama iri. Ya dogara da hanyar ciyar. Mafi yawan dabbobi da ta narkewa kamar tsarin. An wakilta wani bututu daban-daban tsawon, bude a ranar biyu iyakar. Saboda haka, shi da aka gabatar a dabba mai shayarwa baka rami, pharynx, esophagus, ciki, da hanji da kuma dubura, ta hanyar abin da tsaya daga undigested abinci. Makance rufaffiyar narkewa kamar tsarin ne duk mambobi ne na irin Coelenterates. Yadda ake da shi ta shirya?

An Rufe narkewa kamar tsarin

Students narkewa kamar tsarin na rufaffiyar irin shi ne mafi sauki. Wannan shi ne cikin bakin da hanji kogo. Undigested abinci saura haka je waje da shi ne, ta bakin. Makance rufe narkewa kamar tsarin da hydra, jellyfish da polyps. Su hanyoyi daban-daban na rayuwa. Amma tsarin da sashin jiki da tsarin hade da ikon wajen. Su ne duk da yara. Su taimaka musu su farautar tentacles, waxanda suke da musamman harbin Kwayoyin. Sun kunshi capsules da m Twisted yarn, wanda ƙare a kaifi allura. A surface na irin wannan Kwayoyin ne m gashi. Idan ya zo ga wanda aka azabtar ya jiki, harbin reflex thread da karfi spins da cizon cikin samarwa jiki, paralyzing shi. Idan ka taba ji kuna da jellyfish, zaka iya kwatanta da sakamako daga cikin wadannan tsarin. By samar da abinci, harbin thread nan da nan ya mutu, kuma ba zai iya yin ta ayyuka. Wani sabon tsari da wani daban-daban cell irin - ilimi.

irin Coelenterates

Duk da mambobin wannan naúrar da tsanaki dabba hanji kogo. Tare da wannan alama, tsari da kuma hade da sunan. Makance rufaffiyar narkewa kamar tsarin ne da farko ruwa tare hydra. Suna a haɗe salon. Su tafin kafa statically located a kan substrate da kuma a kan kishiyar sashi na jiki ne da bakinka. An kewaye da tentacles, wanda ake amfani da su kama ganima. Wadannan su ne kananan crustaceans, kwari larvae da kananan kifi. Da zarar ta cikin tentacles ciki da hanji lumen, da abinci ne hõre mataki na enzymes cewa an samar da musamman glandular Kwayoyin. Ƙarƙashin rinjayar da wadannan halittu catalysts, shi karya a kananan guda. A tsari ya ci gaba a cikin narkewa kamar hydra Kwayoyin ciki bango na jiki wanda da pseudopodia. Kammala narkewa a cikin na musamman vacuoles. A sharan abubuwa suna excreted ta bakin. Hakazalika, da ta faru da kuma jellyfish da polyps, tun rufe narkewa kamar tsarin.

type Flatworms

Makance rufaffiyar narkewa kamar tsarin ne duk mambobi na da irin lebur tsutsotsi. An wakilta gaban da kuma tsakiyar hanji, kawo karshen ɗimuwa. Kamar yadda na sha da na kasafi na abinci ne bakinka. Duk da cewa flatworms cancanci ɗaukaka ce ta fi hadari m na mutane da dabbobi, daga gare su akwai kuma free-nau'in halittu masu rai. Wadannan sun hada da marine da ruwa tare planarians. A cikin ruwa yanayi da suka farautar hydras, kananan crustaceans, da dabbobi, da kuma Shellfish kwari larvae. Kuma ganima suka kama a wani sabon abu hanya. Planarian ja jiki a kan wanda aka azabtar ya jiki, tsaya su proboscis ta bakin da kuma amfani da shi zuwa tsotse up duk abinda ke ciki na azabtar. Wannan shi ne zai yiwu saboda wani sabon abu tsarin fasali. Gaskiyar cewa bakin free flatworms located a kan su ciki.

Saboda haka, tsarin da narkewa kamar tsarin da farko dogara kan yadda dabba abinci mai gina jiki. Kuma coelenterates, kuma flatworms cewa rayuwa a cikin gishiri da kuma sabo ne ruwa, suna da yara. Su narkewa kamar tsarin suyi rufe kuma ya gabatar da wani kogo ko wani bututu da guda kwazo kofa inda abinci da aka kawota kuma, bayan da hira da aka excreted.