2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ntau tshaj 200 hom ntses mormyrid nyob hauv dej tshiab thoob plaws Africa qhov chaw uas lawv taw qhia rau lawv ib puag ncig thiab sib txuas lus siv hluav taws xob pulses, tsis muaj zog los ntawm tib neeg, ua ke nrog Cov cell rhiab heev electroreceptor embedded nyob rau hauv lawv daim tawv nqaij.
ntxhw qhov ntswg nyob qhov twg?
Kev piav qhia. Peters's elephantnose ntses yog ib txwm nyob rau ntawm dej ntws ntawm West thiab Central Africa, tshwj xeeb hauv Niger River phiab, Ogun River phiab thiab nyob rau sab saud Chari River. Nws nyiam cov av nkos, maj mam txav cov dej ntws thiab cov pas dej nrog npog xws li cov ceg ntoo hauv dej.
Npaj nas ntses tuaj yeem nyob ua ke?
Elephant Nose Fish yog ib hom tsiaj uas ntxim nyiam heev thaum nws los txog rau lawv lub siab nyiam. … Txawm li cas los xij, lawv tuaj yeem ua phem thiab thaj chaw thaum nyob nrog lwm tus ntses ntawm tib hom.
Puas muaj pes tsawg hom ntses nab?
Thaum koj hnov "ntsws ntswg," tej zaum koj yuav muaj ib lub cim ntawm Peter's elephantnose nyob rau hauv koj lub taub hau. Tab sis muaj tshaj 200 hom sib txawvkis thoob 20 genera.
ntxhw ntses ntse?
Cov tsiaj txhu ua cov ntaub ntawv zoo li no nrog lawv lub hlwb cortex. Cov ntses ntxhwnose, txawm li cas los xij, tsuas muaj lub hlwb me me thiab tsis muaj cerebral cortex tag nrho - tab sis txawm li cas los xij hloov rov qab los ntawm kev hnov qab. Cov kws tshawb fawb tau los nrog ntse heev kuaj teeb: Cov ntses ntxhw nyob hauvaquarium.
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.
