Where coelenterates kugaya zvokudya: kunyanya physiology

Freshwater hydra, muramba uye korari - Ndiwo coelenterates mhuka dziri zvipuka zvine masero akawanda. Worudzii mararamiro ivo kutungamirira? The chikafu? Where coelenterates kugaya zvokudya? Mhinduro dzemibvunzo iyi nemimwe mibvunzo yakawanda inogona kuwanikwa nyaya yedu.

General zvechadenga coelenterates

Pasinei vari zvipuka zvine masero akawanda, coelenterates hapana munyama. Saka, hapana ivo nenyere. Coelenterates kuzivikanwa ndiro kuvapo masero kushandiswa, izvo zvinoumba miviri rukoko muviri. Kunze anonzi ectoderm. It rinoumbwa zvenguva, anopedza, ganda, tsandanyama, pabonde uye masero etsinga.

Endoderm - yomukati rukoko coelenterates muviri. Ichi chikamu muviri apo coelenterates kugaya zvokudya. Funga vasiri zviri izvi nomuenzaniso Freshwater hydra.

cavitary kugaya

Hydra haasi unokwanisa vanoshingaira kufamba. Mashandiro rudzi Kuziva yavanobata sole, iri divi ndiro muromo. It akapoteredzwa tentacles. Where coelenterates kugaya zvokudya? Izvi kunotangira muviri mhango.

Hydra inobata crustaceans diki uye hove mazana vachishandisa masero anopedza. Uyezve feelers dzokubudisa zvinofamba achishandisa muromo kupinda mumuviri mhango. masero Glandular tiri chikamu endodermal, yoga anokosha chakavanzika, izvo zvokudya anopinda nomumwe zvidimbu.

cellular kugaya

Zvinotevera mamiriro, apo zvokudya ozeyewa coelenterates vari masero zvomudumbu. Vane flagella, iyo pave kuitika mvura. Nezvokudya ichi nezvimedu vari kuunzwa muchitokisi pamusoro. Kuchava chinotevera padariro wake cleavage.

masero zvomudumbu dzinewo rutsoka venhema. Izvi chinji outgrowths cytoplasm. Vakatora zvokudya, uye zviri mukati muchitokisi. Ikoko, muna zvomudumbu vacuoles kunoitika kwokupedzisira cleavage rikurumidze. Undigested residues uyewo Munokudzwa achishandisa muromo.

Saka, isu afunga apo coelenterates kugaya zvokudya. Izvi zvinotora nzvimbo mumatanho maviri. coelenterates zvose nezvikara. With ivo remadza nemasero nezvavakatapa anopedza. Tentacles kuti vakombe muromo, kuibvisa munzvimbo intestinal lumen. Pane anotanga kutanga kwekupwanyiwa kugaya, iyo kuchizoguma unyanzvi endoderm mumasero.