Qhov txawv ntawm Hydra thiab Obelia yog dab tsi? Hydra yog ib hom tib neeg thiab nyob nrog rau cov substrates, hos Obelia yog ib hom kab mob colonial thiab nyob ua polyps nyob rau hauv ib tug interconnected branching network. Hydra nyob hauv cov chaw nyob hauv dej tshiab, whereas Obelia tsuas yog marine.
Is Obelia a hydra?
Hydra yog tus tsiaj dej tshiab yooj yim thaum Obelia nyob hauv hiav txwv lossis dej tshiab. Qhov sib txawv tseem ceeb ntawm Hydra thiab Obelia yog tias lub cev tseem ceeb ntawm Hydra yog polyp thaum Obelia suav nrog polyps thiab medusae hauv nws lub neej voj voog.
Lub npe ntawm Obelia yog dab tsi?
Lub npe ntawm obelia yog obelia (txawm hais tias nws muaj ntau hom tsiaj nrog ntau lub npe), thiab obelia lub npe yog hiav txwv pluab raws li nws tsim lub teeb-xim av lossis xim dawb. -zoo li pluab hauv hiav txwv. Kev faib tawm ntawm obelia yog cosmopolitan tshwj tsis yog rau Antarctic seas thiab high-arctics.
Qhov txawv ntawm Obelia thiab Aurelia yog dab tsi?
Yog li, qhov sib txawv ntawm ob ntawm lawv yog medusa tsim los ntawm budding ntawm blastostyles thiab aureliayog tsim los ntawm metamorphism ntawm ephyra. Obelia yog lub tswb nrov thiab aurelia hu ua jellyfish vim lawv muaj lub cev zoo sib xws.
hydras yog dab tsi?
YHydra yog cov kab mob ntau lub cev. Lawv yog tsim los ntawm
ob txheej ntawm epithelial hlwbthiab muaj qhov hypostome lossis qhov ncauj qhib. Circling lub qhov ncauj yogtentacles uas muaj nematocysts los yog stinging hlwb los pab nyob rau hauv prey ntes. Lub qhov ncauj thiab lub tentacles hu ua hydranth.
