Comparative halaye na ruwa tare hydra da fari planarian: fasali na kungiyar

Comparative halaye na ruwa tare hydra da fari planarian bada bayyananne ra'ayin game da fasali na kungiyar da kuma ci gaban da iri biyu kwayar dabbobi - coelenterates da flatworms. A wannan labarin, za mu duba a wannan batun ta fuskar rikitaccen siffofin na su tsari.

mazauninsu

A wannan batun, da kamanta halayyar ruwa tare hydra da fari planarian kama. A farko dabba samu da sunan da tushen a kan mazauninsu. Ko da yake ta da yawa related nau'in rayuwa a cikin tekuna. Planaria ma fi son kananan sabo ruwa, inda shi boyewa karkashin duwatsu da kuma driftwood.

hanyar rayuwa

Irin ruwa tare hydra - guda polyp. Domin karkashin ruwa abubuwa ta fastens tushe na ta kara - tafin kafa, wanda abubuwa a matsayin wani sucker. A daura da karshen na jiki ne hydra tentacles. Tare da su taimako da dabba grabs, riqe da samarwa da kuma fuskantar da shi a cikin bakinka. Saboda gaban qware fata-tsoka Kwayoyin, da hydra iya damfara kuma tanƙwara kan. Ya bambanta da ruwa tare polyp Planaria kai sedentary rayuwarsu.

Mutane da yawa wakilan coelenterates da flatworms ne gaba daya daban-daban salon. Alal misali, hanta fluke da tapeworm fadi, waxanda suke da parasitic tsutsotsi hašawa da su zuwa ga ducts na ciki gabobin da runduna.

irin abinci

Comparative halaye na ruwa tare hydra da fari planarian shi yiwuwa ba tare da la'akari da irin abinci. A kan wannan al'amari mai yawa ya yi a cikin wadannan kwayoyin. Planaria da hydra - heterotrophic kwayoyin. Dukkansu suna da yara. Hydra farauta ta amfani da harbin Kwayoyin cewa kamu da inna ganima.

Planaria ma ya fāɗa kananan cikin ruwa dabbobi. Kama da kuma rikodin hadaya ta taimaka da epithelial Kwayoyin, wanda kumbura a ruwa. A gabobin na narkewa kamar tsarin ne planarians baka rami da hanjinsu. A karshen yana da wani gaban da kuma tsakiyar ofisoshin, wanda ƙare ɗimuwa.

Avilable fari planarians da Hydra

Hydra yana da wani radial fasali. Ta jiki da aka kafa ta biyu yadudduka - ecto- da indodem. Yana da aka hada da daban-daban na musamman Kwayoyin: narkewa kamar, haihuwa, epithelial-murdede, harbin, glandular, narkewa kamar, juyayi. Suna warwatse ko'ina cikin jiki da kuma ba ya samar da wata polyp nama.

White Planaria, wanda shi ne wakilin iri flatworms, yana rarrabe jiki siffar. Yana mĩƙe a dorsoventrally da yayi kama da kananan ganye. Wannan dabba tare da hadin fasali. A planarians bayyana real kyallen takarda, gabobin da kuma tsarin. Wannan musculoskeletal, narkewa kamar, excretory, juyayi, haihuwa. A na kowa alama na wadannan dabbobi ne babban matakin farfadowa. Saboda haka, hydra iya warke daga wani slurry-kamar jiha, da kuma planaria iya vegetative yaduwa.

Comparative halaye na ruwa tare hydra da fari planarian nuna wani gagarumin karuwa a matakin kungiyar na flatworms. Coelenterates, tare da Sponges kasance na farko da kwayar prelstavitelyami fauna. Duk da haka, wadannan yadudduka da samuwa. Wannan tsarin ya bayyana ne kawai a flatworms. Saboda haka, sifa da ikon rayuwa ne halin da wani sabon matsayi. M siffofin na su tsarin ne da babu numfashi da kuma jijiyoyi. Saboda haka, iskar gas musayar a flatworms ta cikin jiki surface.