蚊子吸血后為什么能迅速逃走？

1、蚊子吸血后為什么能迅速逃走？蚊子吸血后為什么能迅速逃走？Suckingbloodisriskybusiness.Atleastfthefemalemosquitoesthatneedthosenutrientstonurturetheirdevelopingeggs.Notonlydothesebugshavetofindasuitableblooddonbutoncethey’vehadtheirfilltheyhavetobeabl

2、etoescapeundetected—toavoidthebigswat.HowtheyfinessethisstealthydeparturehasjustbeenrevealedintheJournalofExperimentalBiology.吸血是件危險(xiǎn)的事兒。至少對(duì)需要營(yíng)養(yǎng)來(lái)發(fā)育蚊卵的雌蚊子來(lái)說(shuō)是危險(xiǎn)的。它們不僅要尋找合適的供血者，還要能在吸飽血后悄悄溜走，以避免被拍死?！秾?shí)驗(yàn)生物學(xué)期刊》上發(fā)表的一篇文章揭示了蚊子逃走的妙計(jì)

3、。Feastingonanunsuspectingmammalcandoubleamosquito’sbodymass.SohowdoesafullyloadedfemaleheavethataddedbulkofftheskinofherhostwithouttriggeringitspressuresenssbringingonthatfatefulslapTofindoutFlianMuijresofWageningenUnive

4、rsityinTheherlshiscolleaguesusedcamerasthatrecd13500framespersecondtocapturethetakeoffmaneuversof63bloodfedmalarialmosquitoes.蚊子在毫不知情的哺乳動(dòng)物身上飽餐一頓之后，體重可以增加一倍。那吸滿一肚子血的雌蚊子是如何帶著增重的身體離開(kāi)宿主的皮膚，而又能不觸發(fā)宿主的壓力傳感器，避免招致致命一掌的呢？為了找到答案，荷蘭

5、瓦赫寧恩大學(xué)的弗洛里安.穆依列斯和同事用每體被抬升，離開(kāi)基底。然后，蚊子也會(huì)輕輕地蹬腿，進(jìn)一步為升空提供助力。不過(guò)蚊子的長(zhǎng)腿所產(chǎn)生的力量相對(duì)較小?！盜nfactthefaintflutterofamosquito’swingsproduceslessthanonethirdofthefceexertedbysimilarsizedbutmuchlesssubtlefruitfliesastheyshoveoffinsearchofano

6、therbanana.evenonafullstomachthesebloodsuckersarestunninglyfastsaysMuijres.“Sotakeoffphasetakesonlyabout30millisecondswhichis10timesfasterthanhowfastwecanblinkoureye.”they’regonebefeweknowwhathitus.befewecanhitthem.事實(shí)上，蚊