Puas jellyfish ci hauv qhov tsaus ntuj?

Cov txheej txheem:

Puas jellyfish ci hauv qhov tsaus ntuj?
Puas jellyfish ci hauv qhov tsaus ntuj?
Anonim

Jellyfish yog undoubtedly ib tug ntawm cov zoo nkauj tshaj creatures nyob rau hauv dej hiav txwv. Lawv yog cov tsiaj ua luam dej dawb. Lawv lub cev zoo li lub kaus nrog tentacles txuas rau nws. Lawv tuaj yeem glow hauv qhov tsaus ntuj vim yog qhov tshwm sim hu ua 'bioluminescence.

Yuav ua li cas cov jellyfish teeb thaum hmo ntuj?

Comb Jellies tiv thaiv lawv tus kheej los ntawm kev muab cov ci ci bioluminescent. Lawv xav tias nws yuav ntshai cov tsiaj nyeg uas tuaj yeem los ntawm lawv txoj kev … ib yam li cov cavemen siv hluav taws thaum hmo ntuj kom cov tsiaj nyob hauv qhov bay, cov jelly teeb thaum hmo ntuj thaum kov. Lawv yog cov zoo li walnut zoo li cov tsiaj uas saib xyuas cov dej hiav txwv qhib rau cov tsiaj nyeg.

Puas yog jellyfish ci?

Jellyfish xws li comb jellies ua kom ci ntsa iab kom pibtus tsiaj nyeg, lwm tus xws li siphonophores tuaj yeem tsim cov saw teeb los yog tso ntau txhiab qhov ci ntsa iab rau hauv dej raws li kev coj ua. ntawm me plankton kom tsis meej pem tus tsiaj.

Vim li cas jellyfish ci hauv qhov tsaus ntuj?

Nyob rau xyoo 1960s Osamu Shimomura tuaj txog ntawm Nyij Pooj ntawm Princeton University los kawm txog qhov ci ntsa iab (bioluminescent) jellyfish. … Thawj yog aequorin, uas xav tau calcium los tsim bioluminescence. Tsis zoo li aequorin, qhov thib ob protein yuav tsum tau ua kom muaj ultraviolet (UV) lub teeb rau fluorescence.

Yuav ua li cas ci ci hauv qhov tsaus ntuj nti?

Cov frilly appendages flanking lub qhov ncauj ntawm qee homjellyfish yog hu ua qhov ncauj caj npab. Txhawm rau tsim cov no, tshem tawm ob peb daim ntawm cov xov paj uas nyob ze rau ntawm qhov nruab nrab ntawm pawg. Them koj cov jellyfish tsim hauv lub teeb ci li 30 feeb. Tig lub teeb thiab txaus siab rau nws lub teeb ci!

Pom zoo:

Nthuav cov khoom
Lambardar txhais li cas?
Nyeem ntxiv

Lambardar txhais li cas?

Numbardar lossis Lambardar yog lub npe nyob rau hauv Indian subcontinent uas siv rau cov tsev neeg muaj zog ntawm zamindars ntawm lub zos cov nyiaj tau los, ib lub xeev-tsim cai uas yog keeb kwm thiab muaj ntau yam … Lambardar ua dab tsi?

Algenib tau txais nws lub npe los ntawm qhov twg?
Nyeem ntxiv

Algenib tau txais nws lub npe los ntawm qhov twg?

Lub npe Algenib (hais: /ælˈdʒiːnɪb/) los ntawm Arabic al-janb, txhais tau tias "sab." Nws yog ib txwm siv ob qho tib si rau Gamma Pegasi thiab Alpha Persei, lub hnub qub ci tshaj plaws nyob ze Perseus constellation. Algenib nyob qhov twg?

Puas yog chaw ua haujlwm luam duab?
Nyeem ntxiv

Puas yog chaw ua haujlwm luam duab?

Digital printing yog ua kom yooj yim nrog Officeworks. Peb qhov kev pabcuam online cia koj xaiv thiab luam tawm cov duab tam sim. … Peb tsuas yog luam tawm ntawm cov ntawv zoo Fujifilm kom ntseeg tau tias koj cov duab tuaj yeem ci thiab ntse.