Cov xim dab tsi ua rau pom?

Cov txheej txheem:

Cov xim dab tsi ua rau pom?
Cov xim dab tsi ua rau pom?

Video: Cov xim dab tsi ua rau pom?

Video: Cov xim dab tsi ua rau pom?
Video: yog hmoov dab tsi. Zoo Xyooj (cover) 2024, Kaum ib hlis
Anonim

Lwm qhov tseem ceeb ntawm qhov ungulates pom yog nyob ntawm lawv qhov muag xim. Tib neeg yog trichromats; lawv pom liab, daj thiab xiav (nrog rau dub, dawb thiab ntxoov grey). Ungulates muaj lub zeem muag dichromatic; lawv tsuas pom daj thiab xiav (nrog rau dub, dawb thiab ntxoov grey).

Dab tsi xim tuaj yeem pom tsis tau?

"mos lwj yog xim liab-ntsuab xim dig muag zoo li qee cov tib neeg. Lawv cov xim tsis pom kev yog txwv rau qhov luv [xiav] thiab nruab nrab [ntsuab] wavelength xim., mos lwj yuav paub qhov txawv xiav ntawm liab, tab sis tsis ntsuab los ntawm liab, los yog txiv kab ntxwv los ntawm liab. "

Cov xim dab tsi tuaj yeem pom tau zoo tshaj?

Lawv tuaj yeem xaiv tau luv (xiav) thiab nruab nrab (ntsuab) cov xim wavelength, tab sis lawv tsis tshua nkag siab rau cov xim ntev wavelength xws li liab thiab txiv kab ntxwv. Brian Murphy, tus kws tshawb fawb tsiaj qus thiab tus thawj coj ntawm Lub Koom Haum Saib Xyuas Kev Tswj Xyuas Deer Zoo tau hais tias "Lawv tseem ceeb xim liab-ntsuab qhov muag tsis pom kev, "

Lub teeb xim dab tsi tsis ntshai mos lwj?

Qhov no txhais tau hais tias mos lwj muaj peev xwm pom kev nyuaj siab thiab txawm tias ultraviolet (UV)lub teeb, tab sis kuj tseem ceeb rau lub teeb dawb thiab daj thiab. Yog li, lub teeb xim zoo tshaj plaws rau kev yos hav zoov muaj xws li liab, ntsuab thiab txiv kab ntxwv li mos lwj pom cov xim grey thiab tsis tshua xav tsis thoob los ntawm lawv.

mos lwj tsis pom txiv kab ntxwv?

Cov kws tshawb fawb tau pom yog qhov deer tuaj yeem pom xim, txawm tias lawv tsis tau ntsib lawv ib yam li peb ua. Lawv tuaj yeem xaiv cov xim luv (xiav) thiab nruab nrab (ntsuab) wavelength xim, tab sis lawv tsis tshua nkag siab rau cov xim ntev wavelength xws li liab thiab txiv kab ntxwv.

Pom zoo: