Dab tsi tshwm sim hauv Paleozoic Era?
Dab tsi tshwm sim hauv Paleozoic Era?

Video: Dab tsi tshwm sim hauv Paleozoic Era?

Video: Dab tsi tshwm sim hauv Paleozoic Era?
Video: Nab los hauv tsev &dab tsi yuav tshwm sim 2024, Kaum ib hlis
Anonim

Cov poj koob yawm txwv ntawm conifers tshwm sim , thiab dragonflies kav lub ntuj. Tetrapods tau dhau los ua tshwj xeeb, thiab ob pawg tshiab ntawm tsiaj txhu hloov zuj zus. Thawj yog cov tsiaj reptiles, nrog rau lizards thiab nab. Qhov thib ob yog cov archosaurs, uas yuav ua rau crocodiles, dinosaurs thiab noog.

Ua li no, cov tsiaj twg nyob hauv Paleozoic Era?

Arthropods , molluscs, ntses, amphibians, synapsids thiab diapsids tag nrho cov hloov zuj zus thaum lub sij hawm Paleozoic. Lub neej pib nyob rau hauv dej hiav txwv tab sis nws thiaj li hloov mus rau hauv av, thiab los ntawm lub lig Paleozoic, nws tau dominated los ntawm ntau yam kab mob.

Kuj Paub, dab tsi tseem ceeb tshwm sim hauv Paleozoic Era? Paleozoic Era , kuj sau Palaeozoic , loj Lub sijhawm ntawm geological lub sij hawm uas pib 541 lab xyoo dhau los nrog lub Cambrian tawg, ib qho txawv txawv txawv ntawm marine tsiaj, thiab xaus li ntawm 252 lab xyoo dhau los nrog lub kawg-Permian extinction, qhov loj tshaj extinction. xwm txheej hauv ntiaj teb keeb kwm.

Cov lus nug tseem yog, dab tsi muaj nyob hauv Paleozoic Era?

Paleozoic Era : Lub Neej Tom Qab Paleozoic seas tau dominated los ntawm crinoid thiab blastoid echinoderms, articulate brachiopods, graptolites, thiab tabulate thiab rugose corals. Thaum kawg ntawm Paleozoic , cycads, glossopterids, primitive conifers, thiab ferns tau kis thoob plaws toj roob hauv pes.

Puas muaj pob txha pob txha tau pom nyob rau hauv Paleozoic Era?

Qee tus neeg sawv cev no suav nrog: arthropods ( Trilobites nyob txhua qhov chaw!), mollusks , Lophophorata ( Brachiopods ), tau tshwm sim yuav luag tam sim ntawd hauv Cambrian thaum Orthoceras-lub plhaub ncaj nraim- tuaj nyob ib ncig ntawm lub sijhawm Ordovician), cov echinoderms (Lub paj zoo li crinoid vam meej nyob rau hauv hiav txwv thoob plaws hauv Era.

Pom zoo: