Npaj lub stinger hloov zuj zus thaum chiv keeb rau kev sib ntaus sib tua ntawm cov tswv cuab ntawm cov khaus sib txawv, thiab cov barbs hloov zuj zus tom qab los ntawm kev tiv thaiv tsiaj txhu: tus barbed stinger tseem tuaj yeem nkag mus rau hauv chitinous daim hlau ntawm lwm tus muv lub exoskeleton thiab thim rov qab zoo. Honeybees yog tib hymenoptera nrog ib tug barbed stinger.
Pob bees hlob tshiab stingers?
Nyob zoo ib tsoom niam txiv kwv tij phooj ywg sawv daws. Thaum cov muv sting, nws tsis tuaj yeem rub tus stinger rov qab tawm. Nws tawm hauv qab tsis yog tsuas yog stinger tab sis kuj yog ib feem ntawm nws txoj hnyuv, ntxiv rau cov leeg thiab cov hlab ntsha. … Tab sis txij li tus stinger tseem ua haujlwm tom qab tus muv ploj mus, nws tsuas yog qhov tseem ceeb uas koj tshem tawm sai sai.
Thaum twg muv evolve stingers?
Lawv yog ib qho kev sib koom ntawm txhua tus tswv cuab ntawm clade Aculeata, uas tau tshwm sim ncig 190 lab xyoo dhau los (daim duab los ntawm Peters li al. 2017) thiab suav nrog muv, ntsaum, thiab ntau tus kab mob. Feem coob ntawm cov muv muaj peev xwm stinging ntau zaus yam tsis tas yuav tuag.
Vim li cas muv thiaj tsim tau singers?
Tsuas poj niam muv tuaj yeem sting . Thaum cov muv neeg tsis noj nqaij hloov zuj zus los ntawm qhov quav, lawv tsis tas yuav ua rau lawv cov tsiaj tsis muaj zog (paj paj tsis nyiam khiav deb) ces tus stinger evolved mus rau hauv ib tug tiv thaiv mechanism.
Vim li cas cov kab mob evolve stingers?
Npaj Ntsuag. … Rov qab mus ntxiv rau lub sijhawm mus rau Jurassic Lub Sijhawm, ua ntej muv thiab wasps sib cais ntawm lawvevolutionary paths, thiab koj yuav pom tias cov stings tuaj yeem taug qab mus rau me ntsis poj niam qe-ntev lub cev hu ua ovipositor. Qhov no yog vim li cas koj thiaj li pom tsuas yog poj niam wasps packing heat.
