2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Zoo li zib muv, bumble bees nyob socially in hives uas muab vaj tse thiab chaw yug me nyuam. Feem ntau nyob hauv av, tshwj xeeb tshaj yog nyob rau hauv qhov chaw tso tseg uas ua los ntawm cov nas tsuag, bumble muv hives feem ntau suav nrog ntawm 50 txog 500 tus neeg.
bumblebees zes qhov twg?
Bumble bees feem ntau zes hauv pre-muaj kab noj hniav nyob rau hauv toj roob hauv pes zoo li pob zeb pawg, khoob nas burrows, thiab nyob rau hauv cov khaubncaws sab nraud povtseg tuab. Thaum nws nrhiav tau ib qho chaw lawm, tus poj huab tais yuav tsim ob peb lub lauj kaub, muab cov paj npleg thiab paj ntoos puv, thiab mus tso nws cov qe rau saum.
Pob bumblebees sting?
Bumblebees, tsis zoo li zib mu, yogtuaj yeem sting ntau zaus, tab sis lawv tsis tshua muaj zog tshaj hornets, tsho daj lossis honeybees. Cov neeg ua haujlwm bumblebee thiab poj huab tais tsuas yog cov tswv cuab ntawm lub zes uas yuav sting. Bumblebees txhaj tshuaj venom rau hauv lawv lub hom phiaj los ntawm stinger.
bumblebees mus hmo ntuj?
Npaj pw sab nraum lub zes yuav pw hauv qab lub taub haulos yog hauv lub paj tob zoo li lub paj tawg uas qhov kub tuaj yeem nce mus txog 18 degrees sov dua ze rau lub paj nectar.
Pob bumblebees ua zib ntab?
HONEY PRODUCTION.
Thaum ob leeg tsim zib mu, bumblebees tsis tsim ib qho ntxiv ntawm zib mu zoo li zib mu. Yog li ntawd, beekeepers tsis sau bumblebee zib mu rau noj.
Pom zoo:
Qhov khoom nyob rau pem hauv ntej ntawm lub lens diverging nyob qhov twg?
Teb: Dav hlau daim iav Dav Hlau Daim iav Rau lub teeb rays tawm lub dav hlau daim iav, lub lub kaum sab xis ntawm kev xav sib npaug ntawm lub kaum sab xis ntawm qhov xwm txheej. … Daim duab tsim los ntawm daim iav dav hlau yog ib txwm virtual (lub ntsiab lus tias lub teeb rays tsis yog los ntawm daim duab), upright, thiab ntawm tib lub duab thiab loj npaum li cov khoom nws yog reflecting.
Qhov chaw ncig tebchaws nyob hauv bhagalpur nyob qhov twg?
Bhagalpur faib lub zos yog ib pawg tswj hwm thaj chaw ntawm Bihar xeev ntawm Is Nrias teb, nrog Bhagalpur ua thawj coj hauv paus chaw haujlwm. Raws li xyoo 2005, qhov kev faib muaj xws li Bhagalpur koog tsev kawm ntawv, thiab Banka koog tsev kawm ntawv thiab nyob rau ntawm ntug dej ntawm Ganga River.
Kev tsis ncaj ncees nyob qhov twg yog qhov hem rau kev ncaj ncees nyob txhua qhov chaw?
Martin Luther King tau hais tias: “Kev tsis ncaj ncees nyob txhua qhov chaw yog kev hem thawj rau kev ncaj ncees nyob txhua qhov chaw. Peb raug ntes nyob rau hauv ib tug inescapable network ntawm kev sib nrig sib pab, khi nyob rau hauv ib lub tsoos tsho ntawm txoj hmoo.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
