Lub ntsiab lus ntawm leptocephali yog dab tsi?

Cov txheej txheem:

Lub ntsiab lus ntawm leptocephali yog dab tsi?
Lub ntsiab lus ntawm leptocephali yog dab tsi?
Anonim

: a ntev nyias me me- taub hau pob tshab pelagic thawj larva ntawm ntau yam eels.

Koj hais Leptocephalus li cas?

noun, plural lep·to·ceph·a·li [lep-tuh-sef-uh-lahy].

Vim li cas me nyuam mos pob tshab?

Ntxiv los ntawm Scientific American: Koj tuaj yeem pom los ntawm lawv vim lawv lub cev raug radically compressed thiab lawv cov kabmob thiab cov nqaij ntshiv loj heev. Lawv muaj lub plab yooj yim (cov kab txaij hauv nruab nrab) thiab lawv lub cev zoo li pane tau ntim nrog cov gel ntshiab.

Eel larvae noj dab tsi?

Wild eel larvae feed on particulate organic teeb meem (POM), xws li marine snow uas muaj cov tsev nyob hauv tsev, gelatinous plankton, thiab ntau hom roj ntsha residue (Otake li al.

Eel larvae loj npaum li cas?

Thaum lawv muaj hnub nyoog li ob thiab ib nrab xyoo thiab ntev li yim centimeters (ntau tshaj peb ntiv tes), metamorphosis tshwm sim. Cov… Eel larvae, hu ua leptocephalus larvae, rov qab mus rau Tebchaws Europe hauv Gulf Stream.

Pom zoo:

Nthuav cov khoom
Koj puas tuaj yeem mus ntsib dagestan?
Nyeem ntxiv

Koj puas tuaj yeem mus ntsib dagestan?

Dagestan, officially lub koom pheej ntawm Dagestan yog ib lub koom pheej ntawm Russia nyob rau hauv lub Caspian Hiav txwv, nyob rau hauv lub North Caucasus ntawm Eastern Europe. Nws nyob rau sab qaum teb ntawm Greater Caucasus, thiab yog ib feem ntawm North Caucasian Federal District.

Xab npum suds siv rau dab tsi?
Nyeem ntxiv

Xab npum suds siv rau dab tsi?

A xab npum suds enema yog ib txoj hauv kev kho cem quav. Qee tus neeg kuj siv nws los kho fecal incontinence lossis tshem lawv cov quav ua ntej kev kho mob. Thaum muaj ntau hom enemas, xab npum suds enema tseem yog ib qho ntawm ntau hom, tshwj xeeb tshaj yog rau cem quav.

Puas yog qhov kev xeem thib ob?
Nyeem ntxiv

Puas yog qhov kev xeem thib ob?

Qhov thib ob derivative yuav yog siv los txiav txim siab hauv zos extrema ntawm kev ua haujlwm raws li qee yam xwm txheej. Yog tias qhov kev ua haujlwm muaj qhov tseem ceeb rau qhov twg f′(x)=0 thiab qhov thib ob derivative yog qhov zoo ntawm qhov no, ces f muaj qhov tsawg kawg nkaus hauv zos ntawm no.