Comparative ji mara freshwater hydra ọcha planarian: atụmatụ nke nzukọ

Comparative ji mara freshwater hydra ọcha planarian enye a doro anya echiche banyere atụmatụ nke nzukọ na mmepe nke abụọ na ụdị multicellular ụmụ anụmanụ - coelenterates na flatworms. N'isiokwu a, anyị ga-ele anya na nke a nke si n'ọnọdụ nke mgbagwoju atụmatụ nke ha mebere atumatu.

ebe obibi

A nke, na comparative njirimara freshwater hydra ọcha planarian yiri. The mbụ anụmanụ natara aha ya dabeere na ebe obibi. Ọ bụ ezie na ọtụtụ yiri umu-ebi na oké osimiri nile. Planaria nwekwara prefers obere ọhụrụ mmiri, ebe ọ odịbe n'okpuru nkume na driftwood.

ụzọ ndụ

Ụdị freshwater hydra - a otu polyp. N'ihi na mmiri n'okpuru osimiri ihe ọ fastens isi nke ya azuokokoosisi - ọbụ, nke omume dị ka a ọkpọ. Na ndị na-abụghị njedebe nke ozu ndị hydra tentacles. Na enyemaka ha na anụmanụ grabs, esetịpụ mmepụta na-eduzi ya n'ọnụ. N'ihi ọnụnọ nke pụrụ iche akpụkpọ-muscle mkpụrụ ndụ, na hydra nwere ike mpikota onu na hulata. N'ụzọ dị iche na freshwater polyp Planaria edu sedentary ndụ.

Ọtụtụ ndị nnọchiteanya nke coelenterates na flatworms bụ kpamkpam dị iche iche si ebi ndụ. Dị ka ihe atụ, imeju fluke na tapeworm mbara, nke na-parasitic ikpuru araparakwa ducts nke esịtidem akụkụ nke ụsụụ ndị agha.

ụdị nri

Comparative ji mara freshwater hydra ọcha planarian agaghị ekwe omume na-enweghị atụle ụdị nri. N'okwu a ọtụtụ ime na ndị a ntule. Planaria na hydra - heterotrophic ntule. Ma nke bụ anụ. Hydra ichu nta eji agba mkpụrụ ndụ na ibibi anụ.

Planaria na-akpagbukwa obere aquatic ụmụ anụmanụ. Weghara ma dekọọ àjà ọ na-enyere ndị epithelial mkpụrụ ndụ, nke zaa n'ime mmiri. The akụkụ nke digestive usoro na-planarians onu oghere na eriri afọ. Nke ikpeazụ nwere a n'ihu na n'etiti ụlọ ọrụ, nke na-agwụ blindly.

Avilable ọcha planarians na Hydra

Hydra nwere a radial symmetry. Ahu ya a kpụrụ abụọ n'ígwé - ecto- na endodamụ. Ọ na-emi esịnede dị iche iche nke pụrụ iche na mkpụrụ ndụ: digestive, omumu, epithelial-muscular, agba glandular, digestive, ụjọ na-atụ. Ha na-agbasasịkwa ofụri idem na adịghị na-etolite a polyp anụ ahụ.

White Planaria, nke bụ nnọchiteanya nke ụdị flatworms, nwere a pụrụ iche ahu udi. Ọ esisịt na dorsoventrally na yiri a obere akwukwo. Nke a anụmanụ na bilateral symmetry. Na planarians egosi ezigbo anụ ahụ, na akụkụ na usoro. Nke a nweekwa, digestive, excretory, ụjọ na-atụ, omumu. A ananu ụmụ anụmanụ ndị a bụ dị elu nke imu-ọzọ na. N'ihi ya, hydra nwere ike naputa site na a slurry-dị ka ala, na planaria ike nke na vegetative ịnọgide.

Comparative ji mara freshwater hydra ọcha planarian egosi a ịrịba abawanye na larịị nke nzukọ nke flatworms. Coelenterates, tinyere fom bụ ndị mbụ multicellular prelstavitelyami fauna. Otú ọ dị, ndị a akwa nwere. Nke a Ọdịdị pụtara nanị na flatworms. Ya mere, ha mebere atumatu na ikike na-ebi ndụ e ji a elu. Oge ochie atụmatụ nke ha mebere atumatu na-enweghị nke akụkụ okuku ume na usoro ọbara ji erugharị. Ya mere, gas mgbanwe ke flatworms ebe ahu n'elu.