Evidence of the Evolutionary Journey of Fossil Biodiversity

  • What is the earliest evidence of life on Earth found in microbial fossils? – Stromatolites
  • How old are stromatolite fossils? – 3.5 billion years
  • How old are the fossils of organic-walled microorganisms called Acritarchs? – 1.7 billion years
  • How old are the red algae fossils of the Proterozoic Eon? – 1.2 billion years
  • How old are Ediacaran fossil organisms? – 580 million years
  • What is the earliest known terrestrial plant fossil? – Cooksonia
  • Which was the prominent sauropod of the Jurassic period (154–153 million years ago)? – Brachiosaurus
  • Which fossil revealed the link between dinosaurs and birds? – Archaeopteryx
  • Mammals ....
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