What is the land?
What well known group of species appeared during this era?
What are the dinosaurs?
What well known group of species went extinct at the end of this era?
What are the dinosaurs?
Where did life begin during this era?
What is the ocean?
What is the nickname for the large extinction event that happened during this era?
What is the great dying?
How long ago did the mesozoic era start?
What is 252 million years ago?
What is a nickname for the Cenozoic Era?
What is the age of mammals?
What large global event caused the mass extinction at the end of this era?
What is an ice age?
What percentage of the species on earth at the time went extinct during the well known mass extinction event during this era
What is 90%?
What is the name of the period that falls in the middle of this era?
What is the jurassic period?
The collision of which two tectonic plates created the Himalayas?
what are the Indian and eurasian plates?
Approximately what percentage of earth's history does this era comprise?
What is 90%
What is the name of the event that caused an explosion of life and diversity during this era?
What is the Cambrian explosion?
What group of flying reptiles are commonly confused as dinosaurs
What are Pterosaurs?
Which modern continent was rifted away from the antarctic plate?
What is Australia?
What eon during the Precambrian era did eukaryotes appear?
What is the Proterozoic era?
What period during the Paleozoic did the trilobites go extinct?
What is the Permian period?
What period during this era did the first dinosaurs emerge?
What is the triassic period?
Which epoch during this era is known for its repeated ice ages?
What is the Pleistocene?
What caused the great oxidization?
What is cyanobacteria?