Nrog lawv lub cev tsis zoo, lub cev zoo nkauj thiab cov xim tsis tau xav txog, jellyfish yog qee yam ntawm cov tsiaj tsis paub nyob hauv dej hiav txwv. Lawv txoj kev ua neej nyob thiab kev tsim tawm muaj cov txheej txheem tshwj xeeb uas tsis tas yuav ua rau lub zej zog kev tshawb fawb xav tsis thoob thiab tuaj yeem hloov kho tshuaj rau yav tom ntej.
Nyob hauv tsab xov xwm no ntawm peb lub xaib, peb tshawb pom funny facts about jellyfish thiab nthuav tawm qee yam ntawm lawv cov yam ntxwv zoo tshaj plaws. Ua rau lub ntiaj teb txaus nyiam ntawm tus tsiaj no.
Lawv nyob tau ntau lab xyoo
Jellyfish tau nyob ntiaj teb ntau lab xyoo; Tshwj xeeb tshaj yog, 600 lab lub xyoo, raws li Ministry for the Ecological Transition and the Demographic Challenge of the Government of Spain. Thawj pob txha pob txha tshwm sim los ntawm jellyfish hnub los ntawm tsis muaj ntau dua los yog tsawg tshaj li thaum ntxov Era. Niaj hnub no, cov jellyfish los yog lub hli jellyfish tseem ua rau muaj kev xav paub ntau ntawm cov kws tshawb fawb hauv hiav txwv.
ua dej ntau
Jellyfish yog cov tsiaj nyob hauv tsev neeg Cnidarian. Raws li peb paub, lawv cov morphology yog tswb-puab, ua tsaug uas lawv muaj peev xwm txav mus los ntawm cov dej nrog lawv cov yam ntxwv sib dhos. Ua tsaug rau lawv lub cev, ua los ntawm 95% dej, jellyfish muaj ntau yam cwj pwm (luminescence, muaj peev xwm ua rau khaus, thiab lwm yam) uas ua rau lawv xav paub. thiab fascinating creatures.
Lub qhov ncauj kuj ua haujlwm li qhov quav
Jellyfish yog cov tsiaj uas muaj carnivorous thiab, yog li ntawd, muaj ib tug digestive system uas tso cai rau lawv mus assimilate thiab metabolize lawv prey. Jellyfish, txawm hais tias lawv yuav tsis zoo li nws, ua lub qhov ncauj, tab sis nyob rau hauv ib qho chaw me ntsis xav txog: lawv lub qhov ncauj nyob rau hauv qis ntawm lawv lub cev thiab pab tau ob qho tib si rau kev noj zaub mov thiab tawmfaeces. Lub qhov ncauj tseem tso ncaj qha mus rau hauv qhov hu ua "gastrovascular kab noj hniav", uas yog, qhov chaw hauv plab zom mov. Nov yog ib qho ntawm cov tsis paub xav paub txog jellyfish.
The bioluminescence, los yog lub peev xwm ntawm qee cov kab mob muaj sia los tsim lub teeb, yog lwm qhov kev lom zem txog jellyfish uas koj tuaj yeem pom hauv aquariums los yog ntawm ib lub puam thaum hmo ntuj. Cov tsiaj no hloov tshuaj lub zog rau hauv lub teeb lub zog los tiv thaiv lawv tus kheej tawm tsam cov tsiaj nyeg, nyiam cov tsiaj los yog cov phooj ywg hauv tsev hais plaub [1]
Yog cov jellyfish, qhov tshuaj tiv thaiv no tuaj yeem tshwm sim hauv symbiosis nrog qee hom kab mob lossis extracellularly.
Lawv tsis muaj hlwb tsis muaj ntshav
Lwm yam xav paub txog jellyfish uas yeej tsis mob siab yog tias cov tsiaj no tsis muaj hlwb li. Nws lub cev tuaj yeem piav qhia, yooj yim thiab yooj yim, zoo li ib yam ntawm cov hnab dej txawb. Raws li peb tau hais ua ntej, jellyfish yog tsim los ntawm 95% dej thiab lawv lub cev yog ua los ntawm cov ntaub so ntswg uas txawv ntawm tib neeg.
Raws li Dr. Lucas Brotz, los ntawm British Columbia University thiab tus kws tshawb fawb paub zoo ntawm tsev neeg Cnidarian, lub cev nqaij daim tawv ntawm jellyfish yog ua los ntawm ob txheej nyias nyias. cellular cov ntaub so ntswg , ntawm cov khoom inert thiab aqueous nyob. Nws txoj kev tshawb fawb qhia tias qhov loj ntawm jellyfish, nrog rau qhov kev hloov pauv ntawm lawv cov pej xeem, cuam tshuam ncaj qha rau kev cuam tshuam ntawm tib neeg nyob rau ntawm ntug dej hiav txwv thiab ib puag ncig marine [2] Qhov tseeb no tsis muaj tseeb: rau 600 lab xyoo, jellyfish tau muaj sia nyob ntau yam kev ploj tuag. Tshawb nrhiav qhov zais cia ntawm nws qhov kev hloov pauv yuav ua rau peb pom yav tom ntej kev puas tsuaj ib puag ncig.
Lawv txhav kom txog thaum lawv tuag
Koj puas tau nqis los ntawm lub cev jellyfish ntxuav ntawm lub puam? Nws tsis yog ib qho yooj yim kom paub qhov txawv ntawm lawv: lawv lub cev pob tshab thiab nplaum kawg tau faus rau hauv cov xuab zeb, uas ua rau lawv muaj kev pheej hmoo rau cov neeg so so uas taug kev ntawm ntug dej. Yog tias koj tau yuam kev mus rau ib qho, koj paub tias lub tsev pheeb suab ntawm cov jellyfish tuag tseem ua rau khaus, txawm tias tsawg dua.
The stinging cells uas jellyfish tshwj xeeb thiab cnidarians feem ntau hu ua cnidocysts Thaum sib cuag nrog ib tug ua tau prey, lawv siv ib tug series ntawm filaments nruab nrog spines rau inoculate cov tshuaj lom. Kev hloov ntawm qhov kub thiab txias feem ntau rov ua kom cov hlwb no, yog li yog tias koj raug kab mob jellyfish, yaug qhov txhab nrog dej ntsev hauv chav sov.
Lawv muaj ntau hom playback
Lwm qhov xav paub ntawm jellyfish yog tias lawv tsis muaj ib daim ntawv luam tawm. Cov tsiaj no yog tus cwj pwm los ntawm qhov muaj lub npe hu ua alternating generations, uas muaj kev nthuav tawm, ntawm ib sab, asexual reproduction los ntawm sessile polyps thiab, ntawm qhov tod tes,,, kev sib deev kev sib deev los ntawm cov dawb-nyob jellyfish.
Jellyfish yog oviparous thiab nteg ntau pua lub qe, uas yog hatched ntawm niam txiv tentacles. Thaum lawv yug me nyuam, cov larvae hu ua papules yug, uas yuav nrhiav tau ib qho chaw tsim nyog los ua ib tug polyp. Los ntawm no, nyob ntawm seb hom jellyfish, txoj kev loj hlob ntawm cov tsiaj no yuav txawv enormously. Discover Yuav ua li cas jellyfish yug nyob rau hauv no tsab xov xwm.
Nrog lawv yog ib tug ntawm cov tsiaj ntshai tshaj
The hiav txwv wasp (Chironex fleckeri) suav hais tias yog most poisonous jellyfishntawm tag nrho, thiab ib tug ntawm cov tsiaj txaus ntshai tshaj plaws nyob rau hauv lub ntiaj teb no [3] Nws nyob hauv teb chaws Australia thiab nws cov venom yog tsim los ua kom tuag tes tuag taw sai sai, yog li ntawd nws ua rau muaj kev puas tsuaj loj uas xaus rau kev tuag, txawm rau tib neeg. Qhov no yog vim nws cov venom suav nrog ntau pua co toxins.
Muaj ib yam loj heev
(Cyanea capillata) tau lees paub thoob ntiaj teb tias yog cov ntses loj tshaj plaws hauv ntiaj teb, qhov no yog lwm qhov ntawm xav paub qhov tseeb ntawm qhov xav tsis thoob tshaj plaws jellyfish. Lub cev ntawm cov tsiaj no muaj peev xwm ncav cuag li 4 meters nyob rau hauv txoj kab uas hla thiab nws tentacles yuav luag 40 meters ntev Hauv ntej, qhov no yog ib tug imposing tsiaj thiab, tsis muaj qhov chaw Undoubtedly, zoo kawg.
Cov me me jellyfish yog ib qho tshuaj lom tshaj plaws
Known as irukandji jellyfish (Carukia barnesi), nws muaj lub cev uas ntsuas kwv yees li 35 mm inch thiab tentacles uas nyuam qhuav ncav cuag 1.2 cm ntev [4] Vim li no, nws thiaj suav tias yog jellyfish me tshaj plaws hauv ntiaj teb no. Txawm li cas los xij, txawm tias nws me me, nws tau paub tias yog thib ob lom jellyfish nyob hauv lub ntiaj teb , txawm yuav tuag yog tsis kho raws sijhawm.
