Geologic Eras and Eons
The current geologic Eon
What is the Phanerozoic Eon?
The most recent geologic Period in history.
what is the Phanerozoic Eon?
What is Hadean?
In what period do we see first dinosaurs?
What is the Hadean Eon?
The Period where we see the super-continent Pangaea.
What is the Permian Period?
The Period where we saw an explosion of life.
What is the Cambrian Period?
Silurian or Triassic
What is Silurian?
Coral reefs appear in the _ Period.
What is the Devonian?
The Geologic Era that is known as "the age of mammals."
What is the Cenozoic Era?
The name of the period where a mass extinction resulted in a loss of 50% of all animal families and 95% of marine species went extinct.
What is the Permian Period?
What do most scientists think caused the mass extinction at the end of the Cretaceous Period?
What is an asteroid impact or volcanism?
Phanerozoic or Cretaceous
What is Phanerozoic?
In what Era do we see cockroaches appear?
What is Paleozoic Era?
The geologic Era that lasted the longest, being active from 540 to 248 mya.
What is the Paleozoic Era?
North America was under shallow seas in the _ Period.
What is the Ordovician Period?
Reptiles, such as dinosaurs, were so successful during the _ Era that the time is often called the age of reptiles
What is Mesozoic?
Ordovician or Paleozoic
In what Epoch do we see the Megalodon swimming in the seas?
The Eons that are considered Pre-Cambrian time.
What is Proterozoic, Archeozoic, and Hadean Eon?
The coal that we use for daily purposes comes from the _ Period.
What is the Carboniferous Period?
In what Eon did we see a build of oxygen that caused the Great Oxygen Catastrophe?
What is the Proterozoic Eon?
Eocene or Cenozoic
What is Cenozoic?
The movie Ice Age was set in the Epoch called_
What is the Pleistocene?