Geological Time
Dinosaurs
Extinctions
Ocean and Underwater Life
Earth & Space
100
About this many billion years ago earth was formed from solar debri.
What is 4.5 to 4.6 billion years ago?
100
I was one of the first flying reptiles, with an extremely large wingspan.
What is a Pterodactyl?
100
The most recent mass extinction took place about this many million years ago.
What is 65-66 million year ago?
100
This is an ancient fish that is a living dinosaur.
What is a coelacanth?
100
This is the reason a mass extinction took place about 65 million years ago.
What is an asteroid hit earth?
200
This period of time was known for its abundance of dinosaurs.
What is the Jurassic Period?
200
My latin term translates to English as Thunder Lizard.
What is a brontosaurus?
200
About 251 million years ago this mass extinction caused the loss of many reptiles yet this ocean fish survived and now the number of species numbers over 500.
What are sharks?
200
Fossil evidence suggest this swimming animal was alive some 450 million years ago.
What are sharks?
200
The oldest known rocks found on the moon are from this era.
What is Precambrian?
300
Known for an amazing proliferation of life this era was when simple multi celled organisms exploded into life.
What is the Precambrian era? Or Precambrian explosion
300
Discovered during the Triassic period I am the first dinosaur.
What is the Nyasasaurus ? Or Eoraptor.
300
Between the Devonian and this southern sounding state period, a mass extinction took place.
What is Mississippian period?
300
This fish species evolved during the late Cretaceous period.
What are sturgeons?
300
This distance in miles from the sun makes earth a goldilocks planet.
What is 93 million miles?
400
The first flying dinosaurs took flight during this period.
What is the Triassic Period?
400
The dinosaur, Archaeopteryx was part this and part that.
What is a bird and dinosaur?
400
Between this era which means middle and this period that means ancient a mass extinction took place while Pangea was still intact.
What are the Paleozoic and Mesozoic Eras?
400
This sea going animal starts its life in small streams which they return to as adults to reproduce.
What is a salmon?
400
The breakup of this large mass of earth took place during the Mesozoic era.
What is Pangea?
500
Named after US states during this period, sharks became abundant and the first reptiles appeared.
What are the Mississippian and Pennsylvanian periods?
500
The Velociraptor was alive during the Cretaceous period, did its diet make it an omnivore, carnivore or herbivore?
What is a carnivore?
500
The end of this period, known as the Triassic, led to this period known for the first mammals and dinosaurs.
What is the Jurassic?
500
This type of fish can gulp air and use its gills to get oxygen.
What is a gar? Or alligator gar.
500
This layer of atmosphere protects earth from UV light making life possible.
What is the ozone layer?