Early Bird Articles

• Fossils
  Paleontology
  Dinosaurs
  Early Climate
  Early Mammals
  Ecology
   
  

  Trace fossil

  Trace fossils are those details preserved in rocks that are indirect evidence of life. While we are most familiar with relatively spectacular fossil hard part remains such as shells and bones, trace ... > more
• Geography
  Fossils
  Earth Science
  Geology
  Origin of Life
  Environmental Policy
   

  Cenozoic

  The Cenozoic Era is the most recent of the four classic geological eras. The Cenozoic is divided into two periods, the Palaeogene and Neogene, and they are in turn divided into epochs. The Palaeogene ... > more
• Fossils
  Dinosaurs
  Extinction
  Geography
  Origin of Life
  Geology
   

  Mesozoic

  The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. The Mesozoic includes three geologic periods: from oldest to youngest, they are the Triassic, the Jurassic and the Cretaceous ... > more
• Evolutionary Biology
  Evolution
  Charles Darwin
  Nature
  Human Evolution
  Early Humans
   
  

  Parallel evolution

  Parallel evolution is the independent evolution of similar traits, starting from a similar ancestral condition. Frequently this is the situation in more closely related lineages, where several ... > more
• Extinction
  Dinosaurs
  Endangered Animals
  Endangered Plants
  Nature
  Fossils
   
  

  Cretaceous-Tertiary extinction event

  The Cretaceous-Tertiary extinction event was a period of massive extinction of species, about 65.5 million years ago. It corresponds to the end of the Cretaceous Period and the beginning of the ... > more
• Early Humans
  Human Evolution
  Origin of Life
  Evolution
  Nature
  Evolutionary Biology
   
  

  Timeline of evolution

  This timeline of the evolution of life outlines the major events in the development of life on the planet Earth. Dates given are estimates based on scientific evidence. In biology, evolution is the ... > more
• Extinction
  Endangered Animals
  Endangered Plants
  New Species
  Nature
  Exotic Species
   
  

  Extinction

  In biology and ecology, extinction is the cessation of existence of a species or group of taxa, reducing biodiversity. The moment of extinction is generally considered to be the death of the last ... > more
• Evolution
  Charles Darwin
  Human Evolution
  Origin of Life
  Dinosaurs
  Early Humans
   
  

  Evolution of the horse

  The evolution in the structure of their teeth, odd-toed limbs, obvious mobility of the upper lip, and other aspects, joins the horse to the evolutionary line of odd-toed, hoofed mammals: the ... > more
• Evolutionary Biology
  Evolution
  Charles Darwin
  Human Evolution
  Early Humans
  Biology
   
  

  Evolution of the eye

  The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of species. The development of the eye is considered by most ... > more
• Rodents
  Animals
  Mammals
  Early Mammals
  Mice
  Evolution
   
  

  Rodent

  Rodentia is an order of mammals also known as rodents, characterised by two continuously-growing incisors in the upper and lower jaws which must be kept short by gnawing. Forty-percent of mammal ... > more

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