Paleozoic Era
The period known as "The Age of Fish", saw a large diversification of Marine Life
What is the Devonian Period
The Mesozoic Era is commonly referred to as this "Age".
What is the Age of Reptiles?
The Cenozoic Era is known as the "Age of" this group of animals.
What are mammals?
This gas, essential for life, was first produced in large amounts by cyanobacteria.
What is oxygen?
The Cambrian Explosion was a rapid increase in biodiversity that occurred approximately how many years ago?
What is 541 million years ago?
The breakup of this super-continent occurred during the Mesozoic era
What is Pangea?
This large, ice-age mammal related to modern elephants, roamed North America during the Pleistocene Epoch.
What is the Woolly Mammoth?
The Earth formed approximately this many billion years ago.
What is 4 billion years ago?
The first vertebrates to walk on land appeared during this period
What is the Devonian Period?
This flying reptile is often mistaken for a dinosaur?
The first hominids appeared during this epoch.
What is a Miocene Epoch?
The first known single-celled life appeared during this Eon?
What is the Archean eon?
The Paleozoic Era ended with this mass extinction event, which wiped out around 90% of Marine species
What is the Permian-Triassic Extinction
The Mesozoic Era ended with the extinction of the dinosaurs due to this catastrophic event.
What is an asteroid impact?
The mountain range, formed by the collision of the Indian and Eurasian plates, reached its current height in the Cenozoic.
What is a Himalayas
What are stromatolites?
This early land-dwelling anthropoid is one of the first known terrestrial animals.
What is a millipede?
This group of animals first evolved during the Jurassic period and survived the mass extinction at the end of the Mesozoic.
What are birds?
This ice age dominated much of the Pleistocene Epoch.
What is the Quaternary Ice Age?
This event, which occurred around 2.4 billion years ago, led to a massive increase in atmospheric oxygen.
What is the oxygenation event?