Sequence the events in order from earliest (top) and recent (bottom).
Formation of Earth
Earliest life on land
Sponges and other multi-celled animals appear
Permian-Triassic mass extinction
One-celled organism appear
Present Day
Mammals diversify and flourish
Early mammals and dinosaus appears
Mass extinction of mammals at end of last ice age
Cambrian explosion of life
What epoch did the early man appear?
What epoch did great coral forests appear?
What period did sharks appear and were abundant?
When were fossils very rare?
During what period did the first dinosaurs appear?
What era had the first birds?
During what period did the first flowering plants appear?
During what period did the major extinction of marine animals occur?
During what period was there an explosion of marine life?
During what period was the extinction of dinosaurs?
How long ago did the Paleozoic era begin?
What period are we in right now?
What era are we in right now?
Sort each distinctive feature based on the Era it belongs to.
Marine life dominate
First amphibians and fish
Dinosaurs dominate
First flowering plants
Large carnivores
Large running mammals
Modern man
First birds and mammals
Cenozoic Era
Mesozoic Era
Paleozoic Era