Sequence the events in order from earliest (top) and recent (bottom).
Mass extinction of mammals at end of last ice age
Present Day
Sponges and other multi-celled animals appear
Earliest life on land
Cambrian explosion of life
Early mammals and dinosaus appears
Formation of Earth
Permian-Triassic mass extinction
Mammals diversify and flourish
One-celled organism appear
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.
Large running mammals
Marine life dominate
Dinosaurs dominate
First amphibians and fish
First birds and mammals
Modern man
First flowering plants
Large carnivores
Cenozoic Era
Mesozoic Era
Paleozoic Era