see also
Geology   Ecosystems  
  Water   Environmental
Weather   Natural Disasters  
  Natural History   Biomes
Rain Forests   Dinosaurs  
 

 

Geologic Time Spiral

History of Life on Earth 

 

Eath Timeline

History of the Earth

A Timeline of Evolution

 

The basic timeline of a 4.6 billion year old Earth

  • 3.6 billion years of simple cells (prokaryotes),
  • 3.4 billion years of stromatolites demonstrating photosynthesis ,
  • 2 billion years of complex cells (eukaryotes),
  • 1 billion years of multicellular life ,
  • 600 million years of simple animals ,
  • 570 million years of arthropods (ancestors of insects, arachnids and crustaceans),
  • 550 million years of complex animals,
  • 500 million years of fish and proto-amphibians,
  • 475 million years of land plants ,
  • 400 million years of insects and seeds ,
  • 360 million years of amphibians ,
  • 300 million years of reptiles ,
  • 200 million years of mammals ,
  • 150 million years of birds ,
  • 130 million years of flowers ,
  • 65 million years since the dinosaurs died out ,
  • 2.5 million years since the appearance of the genus Homo ,
  • 200,000 years of anatomically modern humans ,
  • 25,000 years since the disappearance of Neanderthal traits from the fossil record.
  • 13,000 years since the disappearance of Homo floresiensis from the fossil record.

[TOP]

 

Books

 

Movies

Our Earth

Earth Atmosphere

Earth Structure

Other Nature Movies

 

Interatives

Earth Science 1

Earth Science 2

Earth Science 3

Earth and Space - Test Your Knowledge

 

 

Links

NASA Earth Science for Kids

Earth Science Picture of the Day

Glencoe Earth Science

Raders Geography for Kids

NIEHS

Kids Explore Earth Science

Dragonfly TV

The Dynamic Earth

BLS - Learning Landscapes

Schoolyard Geography

NASA Earth Observatory

Geology of the US - NationslAtlas

USGS - Rocks and Minerals

Earth For Kids

 

 

[TOP]