Tardigrades ntoo nyob ib ncig ntawm dej, zoo li tus dais tej zaum thaum hla tus dej. Yog li lawv lub npe menyuam yaus, "dej dais." Tardigrades tuaj yeem txav tau lawv lub taub hau ywj siab ntawm lawv lub cev, thiab qee hom muaj qhov muagThaum koj saib lawv hauv qab lub tshuab ntsuas, lawv ntsia ncaj nraim, tsis pom los ntawm tib neeg.
Puas tardigrades muaj qhov muag yooj yim?
Tardigrades muaj tsuas yog ib khub ntawm qhov muag yooj yim nyob hauv lub taub hau, piv txwv li, lawv yog intracerebral photoreceptors. Txhua lub qhov muag yog tsim los ntawm ib lub khob zoo li cov xim ntawm tes, thiab muaj cov microvilli (Kristensen, 1982; Dewel li al., 1993; Greven, 2007).
Puas yog Tardigrades tsis txawj tuag?
Lawv lub neej tsis paub tiag tiag, txawm li cas los xij, tardigrades tuaj yeem nres lawv cov metabolism thiab ua tsis txawj tuag (xeev cryptobiosis).… Tardigrades tau pom nyob rau hauv daim ntawv dej khov 2,000 xyoo thiab rov qab los muaj sia. Daim ntawv tiv thaiv no tso cai rau nws ncua sijhawm, tab sis kuj tseem muaj sia nyob qhov kub thiab txias.
Puas Tshab plam?
Tus tsiaj me muaj qhov tsaus ntuj loj hauv nws txoj hnyuv, kwv yees li ib feem peb ntawm nws qhov ntev. Thiab hauv daim vis dis aus uas pom meej meej Montague tau tshaj tawm, tus poop kis tawm ntawm tardigrade lub qhov quav, ces nws ncaws tag nrho yim ntawm nws ob txhais ceg me me kom tawm ntawm nws. Nws ob txhais ceg nraub qaum khawb ntawm lub pas dej thaum nws txav mus.
Puas tardigrades muaj lub siab?
Tab sis lawv tsis muaj frills zoo li lub plawv, ntsws lossis cov leeg vim lawv lub cev kab noj hniav yog qhov hu ua "qhib hemocoel," uas txhais tau tias roj thiab khoom noj khoom haus tuaj yeem txav mus rau hauv, tawm thiab nyob ib puag ncig zoo yam tsis muaj cov txheej txheem nyuaj [qhov chaw: Miller].
