Cnidarians tiv thaiv lawv tus kheej thiab catch prey siv lawv tentacles, uas muaj hlwb hu ua cnidocytes ntawm lawv cov lus qhia. Cnidocytes, los yog stinging…
cnidarian tiv thaiv lawv tus kheej li cas ntawm tus yeeb ncuab tua tsiaj?
Thaum qee cov tsiaj xws li daim txhuam cev daws qhov teeb meem ntawm kev txwv tsis pub txav los ntawm kev lim dej rau cov as-ham, cnidarians kov yeej qhov teeb meem los ntawm xa cov tshuaj neurotoxins ceev ceev los ntawm lawv cov kab mob stinging. Cov co toxins no tuaj yeem tiv thaiv ntau tus tsiaj nyeg thiab tua ntau tus tsiaj thaum tiv tauj.
Cnidarians ntes tau tsiaj thiab tua cov yeeb ncuab li cas?
Txhua tus Cnidarians muaj tentacles nrog stinging hlwb nyob rau hauv lawv cov lus qhia uas yog siv los ntes thiab tua tsiaj. Qhov tseeb, lub npe phylum "Cnidarian" txhais tau tias "stinging creatures." Cov kab mob stinging hu ua cnidocytes thiab muaj cov qauv hu ua nematocyst.
Dab tsi yog 3 txoj kev tiv thaiv ntawm cnidaria?
Cov pob zeb tawv tawv muaj lub cev pob txha thiab nematocystslos tiv thaiv lawv, thiab gorgonians (hiav txwv nplawm) muaj cov tshuaj tiv thaiv muaj zog.
Cnidarians sib ntaus sib tua li cas?
Qee anemones sib ntaus hla thaj chaw uas siv cov tentacles loaded nrog tshwj xeeb nematocysts. Raws li kev yoog raws kom nyob hauv thaj chaw ntau dua, qee qhov anemones ua clones los ntawm kev tsim tawm asexually. Lawv mam li muaj kev sib ntaus sib tua nrog cov neeg nyob sib ze.