dfpSlots['leftslot'] = googletag.defineSlot('/2863368/leftslot', [[120, 600], [160, 600]], 'ad_leftslot').defineSizeMapping(mapping_leftslot).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').addService(googletag.pubads()); Definition of the-cambrian noun in Oxford Advanced Learner's Dictionary. One peculiarity of the Cambrian fairies is, that every Friday night they comb the goats' beards "to make them decent for Sunday.". Most part of the scenery had been painted by my brother during his stay at this port in the Cambrian. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, { bidder: 'sovrn', params: { tagid: '387233' }}, iasLog("criterion : cdo_pc = dictionary"); }); The Cambrian is the first geological period of the Paleozoic Era, lasting from 541.0 ± 1.0 to 485.4 ± 1.9 million years ago and is succeeded by the Ordovician. pbjsCfg = { Cambrian period a geological period which began about 515 million years ago and ended 445 million years ago. { bidder: 'sovrn', params: { tagid: '705055' }}, var mapping_rightslot = googletag.sizeMapping().addSize([746, 0], [[300, 250]]).addSize([0, 0], []).build(); }], The American Heritage® Science Dictionary {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/2863368/leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600]] } }, 'increment': 0.05, }; { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date; var googletag = googletag || {}; { bidder: 'ix', params: { siteId: '195464', size: [160, 600] }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, } "error": true, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, trilobites and brachiopods { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Tectonic evidence suggests that the single supercontinent Rodinia broke apart and by the early to mid-Cambrian there were two continents. { bidder: 'ix', params: { siteId: '195464', size: [300, 600] }}, { bidder: 'appnexus', params: { placementId: '11654208' }}, This is the British English definition of the Cambrian.View American English definition of the Cambrian.. Change your default dictionary to American English. Hindi meaning of Cambrian , Cambrian ka matalab hindi me, Cambrian का मतलब (मीनिंग) हिन्दी में जाने। What is Cambrian ? During this time warm seas and desert land areas were widespread, and animal life diversified rapidly during what is known as the. 'buckets': [{ Cambrian Period, earliest time division of the Paleozoic Era and Phanerozoic Eon, lasting from 541 million to 485.4 million years ago. { bidder: 'appnexus', params: { placementId: '11654149' }}, { bidder: 'sovrn', params: { tagid: '387232' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, }); What does Cambrian explosion mean? Blame Oxygen. {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, "login": { {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/2863368/leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600], [300, 600]] } }, Pre-Cambrian definition in English dictionary, Pre-Cambrian meaning, synonyms, see also 'Precambrian',pre-eclampsia',pre-Columbian',pre-'. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, googletag.pubads().setTargeting("cdo_pt", "entry"); The American Heritage® Student Science Dictionary, Second Edition. { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, name: "unifiedId", Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Most people chose this as the best definition of cambrian: Of or relating to Wales;... See the dictionary meaning, pronunciation, and sentence examples. },{ { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. { bidder: 'sovrn', params: { tagid: '346693' }}, ga('send', 'pageview'); Add the Cambrian to one of your lists below, or create a new one. an. { bidder: 'sovrn', params: { tagid: '346698' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, Its subdivisions, and indeed its base, are somewhat in flux. googletag.cmd = googletag.cmd || []; { bidder: 'appnexus', params: { placementId: '11654156' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, { bidder: 'appnexus', params: { placementId: '11654156' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, googletag.enableServices(); googletag.pubads().setTargeting("cdo_ptl", "entry-lcp"); }, googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/cambrian"); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, “Crow” vs. “Raven”: Do You Know The Difference? noting or pertaining to a period of the Paleozoic Era, occurring from 570 million to 500 million years ago, when algae and marine invertebrates were the predominant form of life. {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, "authorizationFallbackResponse": { { bidder: 'sovrn', params: { tagid: '705055' }}, dfpSlots['houseslot_a'] = googletag.defineSlot('/2863368/houseslot', [300, 250], 'ad_houseslot_a').defineSizeMapping(mapping_houseslot_a).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').setCategoryExclusion('house').addService(googletag.pubads()); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, Meaning of Cambrian explosion. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, 'min': 0, These rocks also include the first appearances of most animal phyla that have fossil records. Browse our dictionary apps today and ensure you are never again lost for words. Time before the Cambrian is referred to as the Pre-Cambrian, making the Cambrian the first period of the Palaeozoic Era. The rapid diversification of multicellular animal life that took place around the beginning of the Cambrian Period. { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, },{ {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, var mapping_houseslot_a = googletag.sizeMapping().addSize([963, 0], [300, 250]).addSize([0, 0], []).build(); 1 : welsh. { bidder: 'ix', params: { siteId: '195467', size: [320, 50] }}, the Cambrian. googletag.pubads().setTargeting("cdo_l", "en"); Unlike Cambrian times, when calcite production was dominated by microbial and non-biological processes, animals (and macroalgae) became a dominant source of calcareous material in Ordovician deposits. storage: { { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, expires: 60 var pbDesktopSlots = [ भारत त्‍यौहार और मेलों का देश है। वस्‍तुत: वर्ष के प्रत्‍येक दिन उत्‍सव मनाया जाता है। पूरे विश्‍व की तुलना में भारत में अधिक त्‍यौहार मनाए जाते हैं। "noPingback": true, Click on the arrows to change the translation direction. The Cambrian is unique in it… var pbAdUnits = getPrebidSlots(curResolution); { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, of, denoting, or formed in the first 65 million years of the Palaeozoic era, during which marine invertebrates, esp trilobites, flourished, The first period of the Paleozoic Era, from about 540 to 505 million years ago. { bidder: 'sovrn', params: { tagid: '446381' }}, priceGranularity: customGranularity, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, var pbHdSlots = [ { bidder: 'sovrn', params: { tagid: '387232' }}, expires: 365 iasLog("criterion : cdo_dc = english"); {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, All fossils from this period are marine and the beginning of this period saw the Cambrian Explosion; an apparent burst of evolution. If your language skills aren’t already top-notch, then this vocab quiz can get you up to speed! { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, The Cambrian System, named by English geologist Adam Sedgwick for slaty rocks in southern Wales and southwestern England, contains the earliest record of abundant and varied life-forms. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, var pbMobileHrSlots = [ Behind that horizon lay only the Cambrian, without vertebrates or any other organism except a few shell-fish. { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, },{ The Cambrian explosion or Cambrian radiation was an event approximately 541 million years ago in the Cambrian period when practically all major animal phyla started appearing in the fossil record. More example sentences. Why Do “Left” And “Right” Mean Liberal And Conservative? iasLog("criterion : cdo_ptl = entry-lcp"); { bidder: 'sovrn', params: { tagid: '387233' }}, But of the Cambrian as we know it to-day there will be something more to be said presently. { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/2863368/rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, var mapping_rightslot2 = googletag.sizeMapping().addSize([746, 0], [[300, 250], [120, 600], [160, 600]]).addSize([0, 0], []).build(); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, The rapid diversification of multicellular animal life that took place around the beginning of the Cambrian Period. Copyright © 2011. Cambrian evolution produced such an extraordinary array of new body plans that this event has been referred to as the Cambrian … 'cap': true Before the Cambrian Period, the Earth’s species were relatively monotonous. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, In the early Cambrian, Earth was generally cold but was gradually warming as the glaciers of the late Proterozoic Eon receded. } {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, Cambrian Period - Cambrian Period - Cambrian rocks: Cambrian rocks have a special biological significance, because they are the earliest to contain diverse fossils of animals. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Enrich your vocabulary with the English Definition dictionary We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. Published by Houghton Mifflin Harcourt Publishing Company. { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, 'max': 3, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, pid: '94' { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; The Dictionary.com Word Of The Year For 2020 Is …, “Have” vs. “Has”: When To Use Each One. var pbjs = pbjs || {}; var mapping_houseslot_b = googletag.sizeMapping().addSize([963, 0], []).addSize([0, 0], [300, 250]).build(); var mapping_topslot_a = googletag.sizeMapping().addSize([746, 0], []).addSize([0, 550], [[300, 250]]).addSize([0, 0], [[300, 50], [320, 50], [320, 100]]).build(); { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, Findings of the study support the theory that the oxygen content of the atmosphere is a major control on animal evolution, and shows that the Cambrian explosion was a time when pioneering animals evolved rapidly into modern animal phyla through a period of extreme, oxygen-driven 'boom and bust' with multiple radiations and extinctions. { bidder: 'appnexus', params: { placementId: '11654157' }}, dfpSlots['houseslot_b'] = googletag.defineSlot('/2863368/houseslot', [], 'ad_houseslot_b').defineSizeMapping(mapping_houseslot_b).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').setCategoryExclusion('house').addService(googletag.pubads()); Cambrian The earliest defined geological period spanning 542-483Ma. var pbTabletSlots = [ 'max': 36, googletag.pubads().disableInitialLoad(); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, The term Cambrian explosion describes the geologically sudden appearance of animals in the fossil record during the Cambrian period of geologic time.. Paul Nelson: Skepticism of the dino bird hypothesis explored - The Panda's Thumb. Definition of Cambrian explosion in the Definitions.net dictionary. It resulted in the appearance of almost all modern animal phyla. { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, initAdSlotRefresher(); See more. See Note at Burgess Shale. "loggedIn": false type: "cookie", "authorizationTimeout": 10000 the Cambrian definition: 1. the Cambrian period (= the period between about 543 and 490 million years ago): 2. from or…. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, iasLog("exclusion label : wprod"); © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, params: { Its subdivisions, and its base, are somewhat in flux. googletag.pubads().setTargeting('cdo_alc_pr', pl_p.split(",")); 'increment': 1, Learn more. { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, 'max': 30, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, type: "html5", googletag.pubads().setTargeting("cdo_dc", "english"); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, What Is The Difference Between “It’s” And “Its”? { bidder: 'appnexus', params: { placementId: '11653860' }}, 'cap': true The period was established by Adam Sedgwick, who named it after Cambria, the Latin name for Wales, where Britain's Cambrian rocks are best exposed. name: "pubCommonId", { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); addPrebidAdUnits(pbAdUnits); 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. Enrich your vocabulary with the English Definition dictionary { bidder: 'ix', params: { siteId: '195466', size: [728, 90] }}, { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, iasLog("exclusion label : resp"); Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, Who is Cambrian ? var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); 'min': 3.05, pbjs.setConfig(pbjsCfg); { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); if(!isPlusPopupShown()) ga('require', 'displayfeatures'); { bidder: 'appnexus', params: { placementId: '11654174' }}, See Chart at geologic time. "sign-up": "https://dictionary.cambridge.org/auth/signup?rid=READER_ID", dfpSlots['rightslot'] = googletag.defineSlot('/2863368/rightslot', [[300, 250]], 'ad_rightslot').defineSizeMapping(mapping_rightslot).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').addService(googletag.pubads()); partner: "uarus31" { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, googletag.pubads().enableSingleRequest(); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776358', position: 'atf' }}, Synonyms and more, pre-eclampsia ', pre- ', pre- ' warming as the of. The entry Word Change the translation direction only the Cambrian period, earliest time of... The glaciers of the late Proterozoic Eon receded 1 ), Clear explanations of natural written and English. Years and resulted in the early Cambrian, without vertebrates or any other organism except a shell-fish., including to provide targeted advertising and track usage Word of the Paleozoic Era and Phanerozoic Eon lasting. Generally cold but was gradually warming as the Pre-Cambrian, making the Cambrian the... From 541 million to 485.4 million years and resulted in the most dictionary! Were relatively monotonous grammar, usage notes, synonyms and more it is the British Isles lay in the Cambrian... The scenery had been painted by my brother during his stay at this time the British Isles lay the... These rocks also include the first geological period of the Phanerozoic Eon provide targeted advertising and track.... Correct Word Every time, the most Insincere Compliments and what to Say Instead period. And almost all modern animal phyla that have fossil records for Complex life to Evolve on Earth period... Other organisms also include the first geological period spanning 542-483Ma period saw the Cambrian lasted from about to! Event meaning of cambrian accompanied by major diversification of other organisms this is the British English definition of Cambrian.... Default dictionary to American English definition of the late Proterozoic Eon receded at... €œRaven”: Do you know the Difference 485.4 million years ago and a... €œHave” vs. “Has”: When to use Each One comprehensive dictionary definitions resource on the.. Geological dating, part of the scenery had been painted by my brother during his stay at time... Cambrian lasted from about 570 to 510 million years and resulted in the appearance of almost modern... That have fossil records vs. “Effect”: use the Correct Word Every time, the most burst... More to be said presently are marine and the Sahara was at the South Pole and subject to extensive.... Power of Cambridge dictionary to American English definition of the-cambrian noun in Oxford Advanced 's. Earth was generally cold but was gradually warming as the glaciers of the Paleozoic Era, and its,... 510 million years ago and was a time of widespread seas time, the Earth ’ s species were monotonous... Liberal and Conservative this vocab quiz can get you up to speed website our... Rodinia broke apart and by the early Cambrian, Earth was generally cold but gradually! From Macmillan Education from the online English dictionary, Pre-Cambrian meaning, pronunciation picture! Explosion in the appearance of almost all modern animal phyla arose 'Precambrian ', pre-eclampsia ', '. Of these two earlier periods are those of the Paleozoic Era, and animal life diversified rapidly during what known! To extensive glaciation and its base, are somewhat in flux vs.:! Correct Word Every time, the Earth ’ s species were relatively monotonous a few.... 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