yoov tshaj cum yog cov kab tshwj xeeb! Lawv nyob yuav luag tag nrho lub ntiaj teb nrog kev zam ntawm Antarctica. Muaj txog 3,000 hom ntawm lawv thoob plaws ntiaj teb! Nyob rau tib lub sijhawm, ntau dua 100 ntau yam nyob ncaj qha rau ntawm thaj chaw ntawm peb lub tebchaws. Nyob rau hauv tsab xov xwm no peb yuav tham txog ib qho nthuav thiab paradoxical yoov tshaj cum tshwm sim - nws tuag tom qab nws tus kheej tom … Dab tsi yog qhov feature thiab nws puas muaj tseeb? Yog li cia saib seb yoov tshaj cum tuag tom qab raug.
hom yoov tshaj cum
Txhua yoov tshaj cum muab faib ua ob hom: malarial thiab non-malarial. Raws li koj tau twv, cov cab kuj ntawm cov kab mob parasitic protozoa hu ua "malarial plasmodia" yog thawj hom kab mob parasite. Lawv saib loj dua lawv cov txheeb ze. Tsis tas li ntawd, lawv txoj kev tsaws txawv ntawm cov tsiaj muaj kev nyab xeeb: lawv lub nraub qaum tau pom zoo tsa. Ntau tus menyuam yaus thiab cov neeg laus tsis nkag siab cov neeg mob ntshav qab zib malarial nrog cov kab mob sib kis - lawv cov txheeb ze loj, tsis muaj mob. Tam sim no cia saib seb cov yoov tshaj cum nyob ntev npaum li cas tom qab raug.
Txhua yam yoov tshaj cum raugob peb theem ntawm kev hloov pauv. Cov metamorphoses kawg yog hu ua "imago" - qhov no yog cov kab uas muaj tis, npaj txhij rau mating. Tsuas yog cov poj niam haus ntshav, raws li cov txiv neej nyiam noj qab haus huv sab nraum nroog. Tom qab mating tshwm sim, yoov tshaj cum pib nrhiav ib tug neeg los lo nws cov ntse proboscis rau hauv thiab haus cov ntshav coveted.
Puas tuag tom qab lawv tom?
Kev xav tias yoov tshaj cum tuag tom qab raug mob yog yuam kev. Cov poj niam tsis tuaj yeem tuag tom qab ntawd. Qhov tseeb yog tias lawv xav tau ntshav thiaj li tsim tau cov xeeb ntxwv. Yog hais tias tus poj niam tsis tuaj yeem tau txais cov khoom noj uas nyiam, ces nws cov xeeb ntxwv tseem yuav yug los, tab sis nws tus kheej, hmoov tsis rau nws, yuav tuag, vim nws yuav muab tag nrho nws lub zog thiab cov enzymes tsim nyog rau nws cov larvae!
Yog hais tias peb tham txog yuav ua li cas yoov tshaj cum nyob tom qab ib tug tom, ib feem ntawm lawv lub neej seem yuav ib txwm nyob nruab nrab ib los yog ob lub hlis. Yog li ntawd, tsis muaj kev sib txuas ntawm qhov tom ntawm ib tug bloodsucker thiab lub sij hawm ntawm nws lub neej, los yog nws tseem tsis tau muaj pov thawj. Txawm li cas los xij, cia kuv! Thaum pib ntawm tsab xov xwm, peb tau hais txog qee yam yoov tshaj cum tshwm sim! Nws tsis muaj nyob? Tsis yog, phooj ywg, nws yog! Nov yog qhov kev lom zem pib…
Tig rau lub logic
Cov lus nug txog yoov tshaj cum nyob ntev npaum li cas tom qab raug mob ntau tus neeg xav paub txog niaj hnub no. Vim li cas? Tom qab tag nrho, lawv yuav tsum muaj qee qhov hauv paus! Thiab nws, phooj ywg, yog! Thiab koj paub nws zoo dua lwm tus! Ntawm no yog lo lus teb rau lo lus nug: Koj ua li cas rau yoov tshaj cum,Thaum koj paub hais tias lawv zaum ntawm koj thiab mob siab rau haus koj cov ntshav, thaum muab qhov mob tsis kaj siab?” Yog lawm - koj tsuas yog slam lawv ntawm qhov chaw! Qhov no yog qhov uas tag nrho cov tshwm sim ntawm bloodsucker lub neej nyob ntawm nws cov lus dag. Nws zoo li kev tshawb fawb. hais lus, yoov tshaj cum tuag los tom qab lawv nyob rau hauv ib lub hlis los yog ob, tsis hais muaj pes tsawg tus neeg (thiab tsiaj) lawv tau tom, tab sis los ntawm lub tswv yim nqaim, feem ntau ntawm cov buzzing bloodsuckers uas tau tom peb tuag rau nws hauv tib yam tam sim no, nyob hauv qab xib teg ntawm nws tus neeg raug tsim txom…
Yog li, suav tag nrho cov lus saum toj no, rau lo lus nug ntawm seb yoov tshaj cum nyob tom qab ib qho twg, koj tuaj yeem muab cov lus teb hauv qab no: ntawm 2 vib nas this mus rau 2 lub hlis.
