2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thawj qhov qhia txog kev sib raug zoo ntawm choanoflagellates thiab Metazoa tshwm sim thaum nruab nrab mus rau lig- 1800s thaum cov kws tshuaj ntsuam xyuas tau sau tseg qhov zoo ib yam ntawm choanoflagellates rau lub dab tshos (los yog ' choanocytes') ntawm daim txhuam cev.
Puas sponges evolve los ntawm choanoflagellates?
Sponges evolved li no los ntawm a craspedid-zoo li qia choanoflagellate.
choanoflagellates hloov zuj zus los ntawm dab tsi?
Choanocytes saib thiab ua yeeb yam zoo li choanoflagellates, ntau npaum li ntawd qee cov kws tshawb fawb tau pom nyob rau xyoo 1980 thiab 90s tias choanoflagellates tej zaum yuav yog cov tsiaj uas hloov zuj zus los ntawm sponges thiab tom qab ntawd yooj yim mus rau ib leeg.
Lub hauv paus ntawm Multicellularity yog dab tsi?
Thawj pov thawj ntawm ntau lub cellularity yog los ntawm cyanobacteria zoo li kab mob uas nyob 3–3.5 billion xyoo dhau los. Yuav kom rov tsim dua tshiab, cov kab mob sib txawv tiag tiag yuav tsum daws qhov teeb meem ntawm kev tsim tawm tag nrho cov kab mob los ntawm cov kab mob (piv txwv li, phev thiab qe hlwb), qhov teeb meem uas tau kawm hauv evolutionary kev loj hlob biology.
Tus tsiaj thawj zaug hauv ntiaj teb yog dab tsi?
A comb jelly. Lub evolutionary keeb kwm ntawm lub zuag jelly tau nthuav tawm cov ntaub ntawv xav tsis thoob txog lub ntiaj teb thawj tsiaj.
Pom zoo:
Thaum twg denny duquette tshwm sim thawj zaug?
First see: Season two, Episode 13. Denny Duquette yog tus neeg mob ntev ntawm Preston's. Nws flirted nrog Izzie tom qab qhia mus rau Seattle Grace Tsev Kho Mob rau kev hloov lub plawv. Denny tuaj rau Greys lub caij twg? 10 Pib Pib - 2x13.
Thaum twg arachnids tshwm sim thawj zaug?
Cov ntaub ntawv ntxov tshaj plaws uas pom tau tias yog arachnids suav nrog scorpion uas hnub los ntawm Silurian Sijhawm (txog 443.7 txog 416 lab xyoo dhau los) thiab acarid los ntawm Lub Sijhawm Devonian (416 txog 359.2 lab xyoo dhau los). arachnids hloov zuj zus los ntawm qhov twg?
Thaum twg postcolonialism thawj zaug tshwm sim?
Postcolonial txoj kev xav tau tshwm sim hauv Asmeskas thiab UK cov kev kawm hauv xyoo 1980sua ib feem ntawm cov nthwv dej loj dua ntawm cov tshiab thiab kev nom kev tswv ntawm tib neeg kev tshawb nrhiav, tshwj xeeb tshaj yog poj niam thiab haiv neeg txoj kev xav.
Thaum twg tus neeg raug tsim txom tshwm sim thawj zaug?
Victimology thawj zaug tshwm sim hauv the 1940s thiab '50s, thaum ntau tus kws kho mob txhaum cai (tshwj xeeb yog Hans von Hentig, Benjamin Mendelsohn, thiab Henri Ellenberger) tshuaj xyuas cov neeg raug tsim txom-neeg ua txhaum kev sib cuam tshuam thiab kev cuam tshuam kev cuam tshuam.
Thaum twg lub tank tshwm sim thawj zaug?
On Cuaj hlis 6, 1915, tus qauv tank hu ua Little Willie dov tawm ntawm kab sib dhos hauv tebchaws Askiv. Me ntsis Willie nyob deb ntawm kev ua tiav ib hmos. Nws hnyav 14 tons, tau daig hauv trenches thiab nkag mus rau qhov chaw ntxhib ntawm tsuas yog ob mais tauj ib teev.