Limestone
This type of rock was commonly formed in the shallow seas of the Early Paleozoic Era
Silurian
the first jawed fish and land plants appeared
The Devonian Period
This is know as the Age of Fishes
The Late Paleozoic era
the Carboniferous and Permian periods belong to this era
Trilobites
Common fossilized invertebrates that lived on the ocean floor and are known as index fossils
Geologic Time Scale
this is like a calendar of Earth's history
divide periods into even finer time segments
this is the definition of Epoch
smaller units within eras
this is the definition of periods
Eons, Eras, Periods, and Epochs
The Geologic Time Scale divides Earth's history into
TRUE
Eon, Era, Period, Epoch is the correct order of the time scale from largest to smallest
Mesozoic Era
The Jurassic Period belongs to this era
Eon
The largest unit of geologic time is
The Middle Paleozoic
The Silurian and Devonian periods belong to this era
Cambrian Explosion
The rapid diversification of ocean life is known as......
Mesozoic
The Jurassic Period belongs to the _____ Era
Phanerozoic Eon
Paleozoic, Mesozoic, Cenozoic eras belong to this
The Age of Invertebrates
The early Paleozoic Era (including the Cambrian and Ordovician periods) is known as this
Cambrian and Ordovician Periods
The Early Paleozoic Era includes....
The Devonian Period
This period is called the Age of Fishes
Pangaea
What supercontinent formed during the Late Paleozoic Era
The Permian Mass Extinction
What major event ended the Late Paleozoic Era?
Carboniferous and Permian
The Late Paleozoic includes these periods......
The Age of Amphibians
The Late Paleozoic is also known as
Seas
Most of North America was covered by shallow_____________ during the Early Paleozoic Era
FALSE
Era, Eon, Period, Epoch is the correct order of the time scale from largest to smallest