Koj puas noj pteropod?

Cov txheej txheem:

Koj puas noj pteropod?
Koj puas noj pteropod?
Anonim

Ib yam ntawm lawv cov zaub mov nyiam, lub pteropod, ploj mus. Lawv tau siv los ua ib qho khoom noj uas muaj ntau, me me qwj noj ua zaub mov noj. Pteropods me me, qab ntsev, thiab muaj protein ntau nrog lub plhaub sab nraud… …

hom tsiaj twg noj pteropods?

Txhua yam kab mob noj lawv, txij li me me mus rau ntses rau whales. Thiab lwm yam tsiaj xws li cov ntsaws ruaj ruaj (piv txwv li cov tsiaj nyeg rau polar bears) cia siab rau cov ntses uas noj cov pteropods. Cov "sea butterflies" no kuj yog cov zaub mov loj rau North Pacific cov menyuam yaus ntses ntses, uas peb tib neeg nyiam.

Vim li cas pteropods muaj plhaub?

Surface Production

Ntau hom phytoplankton thiab zoo plankton tsim cov calcium carbonate (CaCO3) plhaub lossis platelets, uas poob rau hauv hiav txwv tom qab tuag. Qee cov kab mob tsim kev sim ua los ntawm calcite (xws li, coccolithophores thiab foraminifera) thaum lwm tus (xws li, pteropods) tsim aragonite shells.

Pteropod pom qhov twg?

Pteropod, tseem hu ua npauj npaim hiav txwv, me me marine gastropods ntawm subclass Opisthobranchia (phylum Mollusca) tus yam ntxwv los ntawm ko taw hloov los ua ib khub ntawm tis zoo li flaps (parapodia) uas yog siv rau kev ua luam dej. Lawv nyob ntawm lossis ze ntawm hiav txwv; feem ntau yog tsawg dua 1 cm (0.4 nti) ntev.

Peropods puas tseem ceeb hauv cov khoom noj?

Pteropods tau noj los ntawm cov kab mobxws li qhov loj me los ntawm me me krill mus rau whales, thiab yogqhov tseem ceeb ntawm cov zaub mov rau North Pacific juvenile salmon.

Pom zoo:

Nthuav cov khoom
Yuav ua li cas thaum lub tuam txhab rov txhim kho?
Nyeem ntxiv

Yuav ua li cas thaum lub tuam txhab rov txhim kho?

Kev rov txhim kho yog qhov tseem ceeb thiab cuam tshuam kev kho dua tshiab ntawm kev lag luam teeb meem npaj los kho nws kom muaj txiaj ntsig. Tej zaum nws yuav suav nrog kaw lossis muag kev faib tawm, hloov kev tswj hwm, txiav nyiaj txiag, thiab tso cov neeg ua haujlwm.

Thaum ci qhov cub qhov twg?
Nyeem ntxiv

Thaum ci qhov cub qhov twg?

Thaum siv qhov cub nrog ob qhov kiv cua-tsim thiab cov chaw ua haujlwm, nws yog qhov zoo tshaj plaws los siv pajthaum koj ci ntev thiab qeeb (xws li ncuav qab zib) thiab kiv cua yuam rau ua noj ceev ceev ntawm qhov kub thiab txias. Yog tias siv lub qhov cub kom kiv cua, raws li txoj cai dav dav, txo qhov kub ntawm 20 ° C kom ua raws li cov lus pom zoo.

Puas yog cov neeg ua haujlwm tawm tswv yim?
Nyeem ntxiv

Puas yog cov neeg ua haujlwm tawm tswv yim?

Cov neeg ua haujlwm tawm tswv yim txhais tau yooj yim heev: nws yog kev nce qib ntawm koj lub tuam txhab los ntawm cov neeg ua haujlwm rau nws. … Kev tawm tswv yim rau cov neeg ua hauj lwm raws li kev lag luam tawm tswv yim yog ib txoj haujlwm zoo, muaj txiaj ntsig zoo los txhawb cov neeg ua haujlwm kom qhia cov khoom muaj txiaj ntsig thiab cov lus hauv ib txoj hauv kev.