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Paleozoic era - Coggle Diagram
Paleozoic era
The Cambrian Period
Animals present in Cambrian Period
Land animals had not evolved yet, marine life flourished
Most major groups of invertibrates first appeared
Earths climate during Cambrian Period
No polar ice caps
earth was warm and wet with no distinct seasons
The Ordovician Period
Plants on Earth during Ordovician Period
First land plants appeared, they were similar to mosses, not having deep roots or leaves
Important events during Ordovician Period
A mass extinction ended the ordivician period when ~80% of living species in shallow seas became extinct
Abundant glaciers caused sea levels to drop
The Silurian Period
Animals on Earth during Silurian Period
First evidence for animals on land occured, scorpions and millipede-like animals
The ocean during Silurian Period
Large coral reefs first appeared, they were common in tropical shallow seas.
First fish with jaws appeared
The Devonian Period
What Earth was like during Devonian Period
Very high sea levels, much of what is land today was under shallow seas
Plants during Devonian Period
By the end of the devonian period, the first trees and the forests were present.
No flowering plants existed
The Carboniferous Period
Mississippian Period (early Carboniferous)
Shallow seas covered much of North America
Pennyslvanian Period (late Carboniferous
significant advance and retreat by shallow seas
The Permian Period
Important events during Permian Period
Largest mass extinction of life on our planet occured at the end of the permian period when ~96% of all species died
Movement of Earth continents during Permian Period
Land masses were all in one giant continent, which brought huge climate changes