Cnidarians yog tsiaj cev nqaij daim tawv uas suav nrog corals, jellyfish, thiab hiav txwv anemones. Cov tsiaj mos mos no muaj cov kab noj hniav zoo li cov kab noj hniav thiab cov tsev pheeb suab uas muaj cov kab lossis cov kab mob stinging siv los tiv thaiv thiab ntes cov zaub mov.
Vim li cas jellyfish Categorized li cnidarian?
Cnidarians txhua tus muaj qee lub hlwb uas yog tshwj xeeb tsim los rau stingingLos ntawm cov hlwb no, uas muaj cov coiled li harpoon-zoo li nematocysts, cov kws tshawb fawb txog jellyfish rau corals, anemones, thiab cov zoo li cov nroj tsuag zoo li hydra, uas tua tawm stings coj nws cov tsiaj.
4 hom cnidarians yog dab tsi?
Cnidarians tau muab faib ua plaub pawg: yuav luag tag nrho sessile Anthozoa (hiav txwv anemones, corals, hiav txwv cwj mem); Ua luam dej Scyphozoa (jellyfish); Cubozoa (box jellies); thiab Hydrozoa (ib pab pawg sib txawv uas suav nrog tag nrho cov dej qab zib cnidarians nrog rau ntau hom marine, thiab muaj ob qho tib si cov tswv cuab, xws li Hydra …
Puas yog hiav txwv jelly classed as a cnidarian?
jellyfish, txhua tus tswvcuab hauv hiav txwv planktonic ntawm class Scyphozoa (phylum Cnidaria), ib pawg ntawm cov tsiaj tsis muaj pob txha muaj li ntawm 200 hom piav, lossis ntawm chav Cubozoa (kwv yees li 20). hom).
Puas yog ntses hnub qub Cnidaria?
Lub phylum Cnidaria (hais nid-AIR-ee-ah) muaj kwv yees li 9000 hom tsiaj nyob thoob ntiaj teb. … Ib qho piv txwv ntawm radial symmetry yog lub hnub qub hiav txwv (ib tug tswv cuab ntawm Echinoderm phylum) los yog anemone, Cnidarian (pom hauv qab). Cov Cnidarians suav nrog cov hydroids, jellyfish, anemones, thiab corals.
