Pob kab noog yaim los yog txhav? … Dragonflies tsis yog kab mob hnyav, tab sis lawv tuaj yeem tom tawm ntawm kev tiv thaiv tus kheej thaum lawv xav tias raug hem. Kev tom tsis txaus ntshai, thiab feem ntau, nws yuav tsis ua rau tib neeg tawv nqaij.
Nkauj noog quaj kho siab npaum cas?
Cov lus teb yooj yim rau qhov no tsis yog - lawv tsis muaj 'sting' li ntawd. Tab sis muaj ntau tus account ntawm qe-ntws dragonflies uas, thaum cuam tshuam, txuas ntxiv ua haujlwm rau hauv lub cev lossis khaub ncaws ntawm kev tshuaj xyuas odonatists.
Kab laum puas ua rau tib neeg?
Qhov tseeb Dragonflies tsis muaj teeb meem rau tib neeg - tshwj tsis yog koj yuam koj tus ntiv tes rau hauv lawv lub qhov ncauj. … Tab sis Dragonflies yeej tsis tuaj yeem nkim koj, thiab lawv yuav tsis tom koj tshwj tsis yog ua rau mob hnyav.
Nws puas muaj kev nyab xeeb kov kab laug sab?
No Txawm tias cov kab npauj loj loj, yog tuav hauv tes, tej zaum yuav sim tom lawv tsis ua rau daim tawv nqaij.
Dab laug zoo li tib neeg?
University of Adelaide. "Dragonflies muaj tib neeg zoo li 'xaiv xim'." ScienceDaily.
