Vim li cas scorpions ci hauv qab lub teeb dub?

Cov txheej txheem:

Vim li cas scorpions ci hauv qab lub teeb dub?
Vim li cas scorpions ci hauv qab lub teeb dub?
Anonim

Cov kws tshawb fawb paub dab tsi yog ib yam dab tsi hauv cov scorpions 'exoskeletons ua rau lawv ci. … Lub cuticle no muaj ib seem hu ua "hyaline txheej." Cov txheej hyaline yog qhov ua rau lub teeb ci ultraviolet (UV) xws li lub teeb dub lossis lub hli hli, thiab ua rau cov kab laug sab lub cev ci.

Puas tag nrho cov scorpions ci hauv qab lub teeb dub?

Txhua scorpions fluoresce nyob rau hauv lub teeb ultraviolet, xws li lub teeb hluav taws xob dub lossis lub hli ntuj. Cov xim xiav-ntsuab ci los ntawm cov khoom muaj nyob rau hauv cov txheej txheem hyaline, ib txheej nyias nyias tab sis hnyav heev nyob rau hauv ib feem ntawm scorpion lub exoskeleton hu ua cuticle. … Raws li scorpion kws tshaj lij Dr.

Dab tsi ua rau scorpion ci hauv qab lub teeb dub?

Qee cov molecules nyob rau hauv ib txheej ntawm cuticle, tawv tab sis hloov tau yooj yim ib feem ntawm scorpion's exoskeleton, nqus qhov ntev wavelengths ntawm ultraviolet lub teebthiab emit nws nyob rau hauv txawv wavelengths uas yog. pom thaum hmo ntuj raws li lub teeb xiav-ntsuab ci. … Nyob rau hauv txoj kev xav, qhov no yuav pab tau ib tug scorpion nkaum zoo dua thaum hmo ntuj.

Lub teeb dub puas phem rau scorpions?

Kev nthuav dav rau cov teeb pom kev dub qhov tseem ceeb ua rau kab laug sab tsis tuaj yeem molt vim tias nws ntau dua lossis tsawg dua microwaves lawv los ntawm UV nthwv dej hnyav thiab yaj lawv cov exoskeleton rau lawv cov nqaij. Qhov teeb meem nrog lub teeb dub yog qhov nws qhuav tawm cov scorpions exoskeleton sai dua ces ib tug kab laug sab tuaj yeem rov ntxiv nwsdej.

Dab tsi xim ua scorpions ci hauv qab lub teeb dub?

Ntau cov scorpions ci a xiav-ntsuab xim thaum illuminated los ntawm ultraviolet lub teeb los yog ntuj lub hli. Cov kws tshawb fawb tsis paub meej tias qhov fluorescence no muaj txiaj ntsig zoo li cas rau cov tsiaj, tab sis qee qhov tau kwv yees tias nws ua lub hnub ci, lossis pab lawv nrhiav phooj ywg hauv qhov tsaus ntuj.

Pom zoo:

Nthuav cov khoom
Pob splanchnic paj hlwb synapse?
Nyeem ntxiv

Pob splanchnic paj hlwb synapse?

Cov hlab ntsha loj dua splanchnic taug kev los ntawm diaphragm thiab nkag mus rau hauv plab kab noj hniav. Nws fibers synapse ntawm celiac ganglia. Cov hlab ntsha txhawb nqa rau lub celiac plexus, lub network ntawm cov hlab ntsha nyob rau thaj tsam ntawm qhov chaw ntawm lub cev celiac ceg ntawm lub plab aorta.

Yuav coreopsis puas tawg rau lub caij ntuj sov?
Nyeem ntxiv

Yuav coreopsis puas tawg rau lub caij ntuj sov?

yog qhov kev xaiv zoo meej. Nrog ntau tshaj 80 hom coreopsis, muaj ntau yam kom haum txhua lub vaj tsim. Haiv neeg rau North America, coreopsis nroj tsuag loj hlob nyob rau hauv upright clumps thiab feature masses ntawm kaj, showy, daisy-zoo li paj thoob plaws lub caij ntuj sov.

Lub ntsiab lus ntawm kev hush up yog dab tsi?
Nyeem ntxiv

Lub ntsiab lus ntawm kev hush up yog dab tsi?

: tsi ntsiag to kuv hais rau nws kom txhob maj. slang txhais li cas? Koj hais 'Hush! ' rau ib tug thaum koj nug lossis qhia kom lawv nyob ntsiag to. Nkauj ruam ruam? "Tseem" yog lus Southern uas hais tias " shut up .