Eventos biologicos by RAMIREZ ZALDIVAR, PABLO https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv en-us 2023-11-22 02:26:58 UTC 2023-11-22 03:08:59 UTC hello@padlet.com Oldest life (3850 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798732456

  • Rock samples with low carbon-13

  • Biological processed carbon becomes depleted of carbon-13

  • Usually tends to be stable

    • ]]>     2023-11-22 02:27:26 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798732456     Strelley pool (3400 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798732812

  • Oldest visible evidence of life

  • Atmosphere devoid of oxygen

  • Stromatolites

    • ]]>     2023-11-22 02:27:42 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798732812     Oldest Eukaryotes (1800 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733145

  • Grypania spiralis

  • Single-celled eukaryote

  • Cell walls preserved

    • ]]>     2023-11-22 02:27:58 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733145     Chloroplast (1600 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733281

  • Evolved from cyanobacteria

  • Engulfed by an aerobic eukaryotic cell

    • ]]>     2023-11-22 02:28:05 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733281     Doushantuo (600 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733402

  • Phosphorite deposit in China

  • Diverse fossils

  • Biodiversity before macroscopic animals

    • ]]>     2023-11-22 02:28:12 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733402     Ediacaran Diversity (580 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733546

  • First diversification of larger organisms

  • Most became extinct by the end of the period

    • ]]>     2023-11-22 02:28:20 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733546     Cambrian Explosion (540 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733732

  • Global diversification of life

  • Rise of oxygen

  • Rise of animal lineages

    • ]]>     2023-11-22 02:28:28 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733732     Burgess Shale (500 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733938

  • Richest fossil beds

  • Cambrian explosion

  • Well-preserved soft tissue fossils

    • ]]>     2023-11-22 02:28:38 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798733938     First Land Plants (470 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734106

  • Ordovician period

  • Moss like organisms

  • Rise of modern plant diversity

    • ]]>     2023-11-22 02:28:46 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734106     Tiktaalik (375 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734285

  • Transitional fish

  • Fish with land vertebrate characterisitics

    • ]]>     2023-11-22 02:28:56 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734285     First Land Vertebrates (375 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734414

  • Devonian period

  • Amphibians colonized land

  • Stem group of land vertebrates

    • ]]>     2023-11-22 02:29:03 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734414     Early Mammal-like Reptiles (280 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734568

  • Dimetrodon

  • Gorgonopsids

  • Syanpsids

  • Repitles more closely related to mammals than dinosaurs

  • Mammals on alpha development, stem from reptiles

    • ]]>     2023-11-22 02:29:11 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734568     Juramaia (160 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734731

  • Earliest known specimen of placental mammal

    • ]]>     2023-11-22 02:29:18 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734731     Lucy and Ardi (4.4 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734901

  • Ethiopian fossils

  • Early members of human lineage

  • Skeletal adaptations for walking on two legs

    • ]]>     2023-11-22 02:29:26 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798734901     Genus Homo (2 MYA) pabloramirezz https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798735029

  • Africa

  • Modern humans appeared till 0.2 MYA

    • ]]>     2023-11-22 02:29:32 UTC https://padlet.com/pabloramirezz/vd1ojdn7bki0zdvv/wish/2798735029