Okufananidza zvechadenga Freshwater hydra uye planarian chena; zvinoitwa nesangano

Okufananidza zvechadenga Freshwater hydra uye planarian chena anopa nganyatsozivi zvaidiwa sangano uye kukura mhando mbiri mhuka zvipuka zvine masero akawanda - coelenterates uye flatworms. Munyaya ino tichakurukura nyaya iyi nemaonero kunzwisisa zvinoitwa maumbirwo yavo.

dzinogarisana

On nyaya ino, kuenzaniswa chinoratidza Freshwater hydra uye chena planarian zvakafanana. mhuka rokutanga vakagamuchira zita rayo inobva dzinogarisana. Kunyange zvazvo murume akarondedzera mhando dzakawanda vanogara mumakungwa. Planaria uyewo anoda mvura duku yakachena, umo anovanda pasi mabwe driftwood.

Mararamiro

Mhando Freshwater hydra - imwe polyp. For pemvura zvinhu iye fastens mujinga zvayo hunde - sole, iyo anoita somunhu Kuziva. At nevakomana kumagumo muviri zviri hydra tentacles. Uchibatsirwa wavo mhuka akadzvinya, anobata kugadzirwa anoritungamirira mumuromo. Nokuda kuvapo specialized ganda-tsandanyama masero, hydra anogona tsonyera uye mukotamise pamusoro. Kusiyana Freshwater polyp Planaria kutungamirira ndakagara upenyu.

Vazhinji vamiririri coelenterates uye flatworms akasiyana zvachose mararamiro. Somuenzaniso, chiropa fluke uye tapeworm pahupamhi, izvo parasitic Makonye vachabatana kune ducts ari zvomukati Wamasimba Ose.

mhando zvokudya

Okufananidza zvechadenga Freshwater hydra uye planarian chena hazvibviri pasina nokufunga mhando yezvokudya. Munyaya iyi yakawanda kuita zvinenge izvi. Planaria uye hydra - heterotrophic zvinenge. Zvose zviri nezvikara. Hydra kuvhima achishandisa masero anopedza kuti remadza zvakatapwa.

Planaria anorwawo mhuka duku hwemvura. Capture uye kunyora chibayiro iye kubatsira epithelial masero, izvo kuzvimba mumvura. The nhengo of zvomudumbu ino vari planarians nomumukanwa mhango ura. Ekupedzisira ane mberi uye nemahofisi pakati, iyo inoguma tinongoita.

Avilable planarians chena uye Hydra

Hydra ane TOUR symmetry. muviri wake chakaumbwa nemakomo maviri akaturikidzana - ecto- uye endoderm. It rinoumbwa marudzi masero kushandiswa: zvomudumbu, rokubereka, epithelial-tsandanyama, anopedza, glandular, zvomudumbu, huta. Vari akapararira muviri uye regai kuumba polyp tishu.

White Planaria, inova mumiririri mhando flatworms, ane nevamwe muviri chimiro. It flattened muna dorsoventrally uye chakafanana diki shizha. mhuka iyi bilateral symmetry. In planarians kuonekwa chaiyo munyama, nhengo uye hurongwa. Izvi zvetsandanyama nemapfupa, zvomudumbu, excretory, huta, rokubereka. A zvakafanana chinoratidza mhuka idzi ndiwo mukuru nenhanho patsva. Saka, hydra anogona kupora kubva slurry-kufanana mamiriro, uye planaria anokwanisa vegetative kupararira.

Okufananidza zvechadenga Freshwater hydra uye planarian chena inoratidza kuwedzera padanho sangano flatworms. Coelenterates, pamwe sechipanji vaiva vokutanga zvipuka zvine masero akawanda prelstavitelyami fauna of. Zvisinei, micheka ava kuwanikwa. mamiriro Izvi anongowanika flatworms. Saka, mamiriro avo uye kugona kurarama zviri dzinoratidzwa LEVEL. Chinyakare zviri nechivako dzavo pasina kufema uye kweropa hurongwa. Naizvozvo, gasi Exchange mu flatworms nomuviri pamusoro.