Cov kab mob stinging hu ua dab tsi?
Cov kab mob stinging hu ua dab tsi?

Video: Cov kab mob stinging hu ua dab tsi?

Video: Cov kab mob stinging hu ua dab tsi?
Video: Tsis Yog Hmoob Sib Ntxhais Ntxawm - SODA Poj Laib Khej Me (Cover) 2024, Kaum ib hlis
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Txhua tus Cnidarians muaj tentacles nrog stinging hlwb nyob rau hauv lawv cov lus qhia uas yog siv los ntes thiab subdue prey. Qhov tseeb, lub npe phylum "Cnidarian" txhais tau tias " txhav tus tsiaj." Lub stinging hlwb yog hu ua cnidocytes thiab muaj cov qauv hu ua ib tug nematocyst. Lub nematocyst yog ib tug coiled xov zoo li stinger.

Kuj paub yog, dab tsi yog stinging hlwb?

Cnidarians muaj kev tshwj xeeb hlwb lub npe hu ua cnidocytes ( stinging hlwb ”) muaj organelles hu ua nematocysts (stingers). Cov no hlwb muaj nyob ib ncig ntawm lub qhov ncauj thiab tentacles, thiab pab immobilize prey nrog toxins muaj nyob rau hauv lub hlwb . Nematocysts muaj cov xov coiled uas tuaj yeem dais barbs.

Tsis tas li ntawd, Cnidoblasts lossis stinging hlwb yog dab tsi? CNIDOBLASTS YOG TXOJ KEV CELLS Pom hauv CIDARIA. PUAS YOG IB TUG NEEG A TXOJ KEV CELL ORGANELLE HU NEMATOCYST. Cnidoblast yog a cell nyob rau hauv lub epidermis ntawm coelenterates nyob rau hauv uas ib tug nematocyst yog tsim. hauv ib leeg cnidoblast yog ib tug coiled xov, ib tug nematocyst, uas explodes tawm ntawm lub cell.

Yog li ntawd, cov kab mob stinging nyob qhov twg?

Nyob ntawm lawv cov tentacles, jellyfish stinging hlwb hu ua cnidocytes.

Dab tsi yog qhov stinging hlwb ntawm Hydra?

Stinging Cells . Cov hydra cov kab mob stinging paub zoo dua li cnidocytes, uas npog sab nraud ntawm lawv cov tentacles. Cov hydra ua siv cov barbed, lom hlwb mus ntes thiab stun prey xws li dej fleas thiab plankton.

Pom zoo: