2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Piv txwv ntawm planktonic algae suav nrog diatoms thiab dinoflagellates. Diatoms tuaj yeem yog unicellular lossis colonial. Cov phab ntsa silicified cell tsim cov pillbox zoo li lub plhaub (frustule) tsim los ntawm kev sib tshooj ib nrab (epitheca thiab hypotheca) perforated los ntawm intricate thiab ilv qauv.
piv txwv ntawm ib hom diatom yog dab tsi?
Coscinodiscophyceae (centric diatoms) Fragilariophyceae (araphids, i.e. pennate diatoms tsis muaj raphe) Bacillariophyceae (raphids, pennate diatoms with a raphe)
Dab tsi yog ob hom diatoms?
Diatoms tau muab faib ua ob pawg uas txawv los ntawm cov duab ntawm lub frustule: the centric diatoms thiab pennate diatoms.
Dab tsi yog diatoms protists?
Diatoms yog cov kab mob ib leeg nrog cov nuclei thiab chloroplasts. Lawv yog protists nyob ib leeg los yog tsim chains, zig zags los yog spirals. Thawj diatoms - lub centrics - tshwm sim nyob rau hauv lub hnub nyoog Jurassic li 200 lab xyoo dhau los, raws li kev sib txuas ntawm cov kab mob zoo li cov poov xab thiab algae.
Puas yog diatoms fungi?
Raws li algae, diatoms yog protists. Qhov no txhais tau hais tias lawv yog cov kab mob eukaryotic uas tsis tau txhais tshwj xeeb xws li cov nroj tsuag, tsiaj txhu lossis fungus. Raws li txoj cai, lawv raug cais nyob rau hauv Division Chrysophyta hauv Chav Bacillariophyceae.
Pom zoo:
Puas yog qhov piv txwv tam sim no yog qhov hnyav piv?
Solvency ratios feem ntau yog siv los ntawm cov qiv nyiaj thiab cov tsev qiv nyiaj hauv tsev los txiav txim siab peev ntawm cov neeg siv khoom kom them rov qab lawv cov nuj nqis. Piv txwv ntawm kev daws teeb meem yog: piv txwv tam sim no. Yuav ua li cas yog qhov ratios solvency?
Dab tsi yog qhov txawv ntawm qhov piv txwv thiab piv txwv?
Yog lub ntsiab lus tsis yog "literal" (raws li sau), ces nws yog "figurative". Cov lus "Figurative" tuaj yeem suav nrog cov lus piv txwv, cov lus piv txwv, puns, exaggerations (hyperbole), thiab lwm yam. Puas yog piv txwv thiab piv txwv zoo ib yam?
Qhov twg hauv qab no yog cov piv txwv piv txwv?
Qee yam piv txwv ntawm cov piv txwv piv txwv yog daim duab qhia chaw, duab, duab kos, cov npe sib txuas, thiab cov kab kos. Dab tsi yog qhov piv txwv? Cov sawv cev Analogical ntes qee tus yam ntxwv ntawm qhov lawv sawv cev; symbolic sawv cev tsis muaj kev sib raug zoo rau qhov lawv sawv cev.
Puas piv thiab sib piv cov lus sib piv?
Cov lus sib piv thiab qhov sib txawv yog synonyms, tab sis txawv ntawm nuance. Tshwj xeeb, sib piv txhais tau hais tias lub hom phiaj ntawm kev qhia tus txheeb ze muaj txiaj ntsig lossis kev ua tau zoo los ntawm kev nthuav tawm cov yam ntxwv zoo txawm tias zoo sib xws lossis sib txawv.
Cov piv txwv ntawm hiav txwv epicontinental yog dab tsi?
Ntau yam tam sim no North America tau npog los ntawm lub hiav txwv epicontinental hu ua Lub Sundance Hiav Txwv Sundance Hiav Txwv Sundance yog lub hiav txwv epeiric uas muaj nyob rau hauv North America thaum nruab nrab mus rau lig Jurassic Period ntawm Mesozoic Era.
