2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Fireflies teeb tom qab tsaus ntuj kom nyiam cov phooj ywg. Txij li cov hluav taws kub hnyiab yog cov kab nocturnal, lawv siv sijhawm nruab hnub nrig rau hauv av hauv cov nyom siab. Cov nyom ntev pab zais cov nplaim taws thaum nruab hnub, yog li koj tsis tuaj yeem pom lawv tshwj tsis yog koj nyob ntawm koj txhais tes thiab hauv caug nrhiav lawv.
xob laim mus rau qhov twg thaum lub caij ntuj no?
Fireflies hibernate tshaj lub caij ntuj no thaum lub sij hawm larval theem, qee hom rau ntau xyoo. Qee tus ua qhov no los ntawm burrowing underground, thaum lwm tus pom qhov chaw ntawm lossis hauv qab ntoo. Lawv tshwm sim rau lub caij nplooj ntoos hlav.
xob laim nyob ntev npaum li cas?
Dhau li ntawm mating thiab prey attraction, nws tau xav tias bioluminescence tej zaum yuav yog ib tug tiv thaiv mechanism rau cov kab-lub teeb cia predators paub hais tias lawv tej zaum cov zaub mov tsis yog heev qab thiab tej zaum yuav lom. Ib tug npauj npaim feem ntau nyob rau kwv yees li ob lub hlis hauv cov tsiaj qus.
Npau taws kub ntev npaum li cas hmo ntuj?
Qee hom yuav "hu" rau ntau teev ib hmo, thaum lwm tus flash tsuas yog 20 feeb los yog thaum tsaus ntuj. Kev sib txuas lus hluav taws xob hluav taws xob tuaj yeem ua rau nyuaj dua; Qee hom muaj ntau lub teeb liab, thiab qee qhov yuav siv lawv lub cev lub teeb rau lwm lub hom phiaj.
Xaiv xob laim nruab hnub nrig?
Ib ob peb hom yog diurnal nyob rau nruab hnub thiab yog li lawv feem ntau tsis ci, txawm hais tias feem ntau glow worms (raws li lawv hu lawv nyob rau hauvTeb chaws Europe), los yog xob laim raws li peb hu rau lawv ntawm no, thaum lub sij hawm ib qho ntawm cov theem maturation ua ci. Nws txawm tuaj yeem yog kab ntsig los yog kab ntsig ntawm cov nplaim taws uas ci ntsa iab.
Pom zoo:
Puas yog hnub nruab hnub txhais tau tias yog nruab hnub?
Tus adjective diurnal siv tau los piav qhia txhua yam uas tshwm sim nyob rau nruab hnub, tab sis feem ntau nws yog siv nyob rau hauv biology los piav txog cov tsiaj uas muaj zog thaum lub sij hawm. nruab hnub thiab hmo ntuj. Puas yog diurnal txhais tau tias txhua hnub?
Puas xuab zeb tig mus rau iav thaum xob laim?
"Lub Tsev Qab Zib Alabama" tau txais qee yam zoo - thaum xob laim kub kub (tsawg kawg 1, 800 degrees Celsius / 3, 272 degrees Fahrenheit) tsoo cov xuab zeb ntug hiav txwv dej siab hauv silica lossis quartz, nws fuses cov xuab zeb rau hauv silica iav hauv qab av.
Thaum lub teeb hluav taws xob nkag mus rau qhov nruab nrab refracting?
Thaum lub teeb hluav taws xob nkag mus rau qhov nruab nrab refracting, nws pom tau tias qhov loj ntawm lub kaum sab xis ntawm refraction yog sib npaug rau ib nrab ntawm lub kaum sab xis ntawm kev xav. Thaum lub teeb ci nkag los ntawm ib qho nruab nrab mus rau lwm qhov nruab nrab raws li ib txwm muaj?
Xob laim tsim hluav taws xob?
Cia li ua tau. Hmoov tsis zoo, kev cia siab rau cov hlua hluav taws xob los ua lub zog rau peb cov tshuab plaub hau, TVs, thiab tub yees yuav nyob deb ntawm tus nqi zoo. … Qhov teeb meem yog tias lub zog hauv xob laim muaj nyob rau lub sijhawm luv luv, tsuas yog ob peb microseconds xwb.
Nyob nruab hnub lossis nruab hnub?
Yog tias peb siv "thaum nruab hnub", nws txhais tau tias ib hnub tshwj xeeb, tab sis feem ntau yog ib hnub tsis tshwj xeeb. E.g. Cov paj no qhib rau nruab hnub. "Nyob nruab hnub" kuj ua tau rau ob qho tib si. Tsuas yog nruab hnub lossis nruab hnub?
