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The Mesozoic–Cenozoic Radiation is the third major extended increase of biodiversity in the Phanerozoic, after the Cambrian Explosion and the Great Ordovician Biodiversification Event, which appeared to exceeded the equilibrium reached after the Ordovician radiation. Made known by its identification in marine invertebrates, this evolutionary radiation began in the Mesozoic, after the Permian extinctions, and continues to this date. This spectacular radiation affected both terrestrial and marine flora and fauna, during which the “modern” fauna came to replace much of the Paleozoic fauna. Notably, this radiation event was marked by the rise of angiosperms during the mid-Cretaceous, and the K-Pg extinction, which initiated the rapid increase in mammalian biodiversity.

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  • تشعب تطوري بين الحقبتين الوسطى والحديثة (ar)
  • Mesozoic–Cenozoic radiation (en)
  • Radiação Mesozoica-Cenozoica (pt)
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  • The Mesozoic–Cenozoic Radiation is the third major extended increase of biodiversity in the Phanerozoic, after the Cambrian Explosion and the Great Ordovician Biodiversification Event, which appeared to exceeded the equilibrium reached after the Ordovician radiation. Made known by its identification in marine invertebrates, this evolutionary radiation began in the Mesozoic, after the Permian extinctions, and continues to this date. This spectacular radiation affected both terrestrial and marine flora and fauna, during which the “modern” fauna came to replace much of the Paleozoic fauna. Notably, this radiation event was marked by the rise of angiosperms during the mid-Cretaceous, and the K-Pg extinction, which initiated the rapid increase in mammalian biodiversity. (en)
  • A Radiação Mesozoica-Cenozoica é o terceiro grande aumento estendido da biodiversidade no Fanerozoico, depois da Explosão Cambriana e o Grande Evento de Biodiversificação Ordoviciano, que pareceu passar o equilíbrio alcançado depois da radiação Ordoviciana. Tornada conhecida por sua identificação em invertebrados marinhos, essa radiação evolutiva teve início no Mesozoico, depois das extinções do Permiano, e segue até hoje. Essa radiação espetacular atingiu a flora e a fauna terrestre e marinha, durante a qual a fauna “moderna” veio substituir grande parte da fauna paleozoica. Notavelmente, este evento de radiação foi marcado pelo aumento de angiospermas no decorrer da metade do Cretáceo, e a extinção K-Pg, que começou o ligeiro aumento da biodiversidade de mamíferos. (pt)
  • يُعتبر التشعّب التطوري بين الحقبتين الوسطى والحديثة (Mesozoic–Cenozoic Radiation ) ثالث أكبر زيادةٍ مطوّلة في معدل التنوع الحيوي في دهر الحياة الظاهرة (دهر البشائر) وذلك من بعد الانفجار الكامبري والحدث الأوردوفيشي العظيم للتنوع الحيوي. بدأ هذا التطور التشعّبي في منتصف حقبة الحياة الوسطى وامتد ضمن حقبة الحياة الحديثة من دون معرفة ما إذا كان قد انتهى بعد. يختلف هذا التشعّب التطوري عن ما سبقه من تشعّباتٍ تطوريةٍ أخرى من حيث ظهور التنوع بشكلٍ كبير في مجموعةٍ مختلفة من الأنواع وغيرها من الأصناف تحت مستوى التسلسل. (ar)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Pangea_animation_03.gif
  • http://commons.wikimedia.org/wiki/Special:FilePath/Phanerozoic_Biodiversity.svg
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  • يُعتبر التشعّب التطوري بين الحقبتين الوسطى والحديثة (Mesozoic–Cenozoic Radiation ) ثالث أكبر زيادةٍ مطوّلة في معدل التنوع الحيوي في دهر الحياة الظاهرة (دهر البشائر) وذلك من بعد الانفجار الكامبري والحدث الأوردوفيشي العظيم للتنوع الحيوي. بدأ هذا التطور التشعّبي في منتصف حقبة الحياة الوسطى وامتد ضمن حقبة الحياة الحديثة من دون معرفة ما إذا كان قد انتهى بعد. يختلف هذا التشعّب التطوري عن ما سبقه من تشعّباتٍ تطوريةٍ أخرى من حيث ظهور التنوع بشكلٍ كبير في مجموعةٍ مختلفة من الأنواع وغيرها من الأصناف تحت مستوى التسلسل. إن التطور التشعّبي المذهل للنباتات كاسيات البذور والثديات وبعض مجموعات الزواحف (مثل الثعابين) الموجودة على الأرض متوافق مع المنخربات العوالقية، وبطنيات القدم الجديدة، والمحار المغاير ذو الصدفتين، والقشريات عشاريات الأرجل، والأسماك العظمية في البحار الضحلة. يُمثّل التنويع البحري بشكلٍ كبير بالحيوانات التطورية الحديثة وهناك أيضًا التنويع الأرضي للطيور ومن جملتها الحشرات. (ar)
  • The Mesozoic–Cenozoic Radiation is the third major extended increase of biodiversity in the Phanerozoic, after the Cambrian Explosion and the Great Ordovician Biodiversification Event, which appeared to exceeded the equilibrium reached after the Ordovician radiation. Made known by its identification in marine invertebrates, this evolutionary radiation began in the Mesozoic, after the Permian extinctions, and continues to this date. This spectacular radiation affected both terrestrial and marine flora and fauna, during which the “modern” fauna came to replace much of the Paleozoic fauna. Notably, this radiation event was marked by the rise of angiosperms during the mid-Cretaceous, and the K-Pg extinction, which initiated the rapid increase in mammalian biodiversity. (en)
  • A Radiação Mesozoica-Cenozoica é o terceiro grande aumento estendido da biodiversidade no Fanerozoico, depois da Explosão Cambriana e o Grande Evento de Biodiversificação Ordoviciano, que pareceu passar o equilíbrio alcançado depois da radiação Ordoviciana. Tornada conhecida por sua identificação em invertebrados marinhos, essa radiação evolutiva teve início no Mesozoico, depois das extinções do Permiano, e segue até hoje. Essa radiação espetacular atingiu a flora e a fauna terrestre e marinha, durante a qual a fauna “moderna” veio substituir grande parte da fauna paleozoica. Notavelmente, este evento de radiação foi marcado pelo aumento de angiospermas no decorrer da metade do Cretáceo, e a extinção K-Pg, que começou o ligeiro aumento da biodiversidade de mamíferos. (pt)
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