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How did the Pennsylvanian era start?
The Pennsylvanian period began around 323 million years ago during the Carboniferous period. It is characterized by the abundant growth of ferns, amphibians, and early reptiles, leading to the formation of extensive coal swamps. The Pennsylvanian era was a time of significant environmental and evolutionary changes.
How many years separate the beginning of the Devonian Period from the beginning of the Pennsylvanian Period?
The Devonian Period began approximately 419 million years ago, while the Pennsylvanian Period started around 323 million years ago. This results in a separation of about 96 million years between the beginning of the Devonian and the beginning of the Pennsylvanian.
Where did conifers originate?
The first conifers appeared between 318 and 299 million years ago. That was during the end of the Carboniferous period. Specifically, it was during the Pennsylvanian series.
What did the earth's surface look like during the Pennsylvanian period?
During the Pennsylvanian period, the Earth's surface was characterized by vast swampy areas filled with lush vegetation, including ferns, trees, and giant horsetails. These swamps eventually led to the formation of coal deposits that are still mined today. The climate was warm and humid, with shallow seas covering some areas.
What is the Mississippian and Pennsylvanian periods grouped together?
The Mississippian and Pennsylvanian periods are grouped together as the Carboniferous period. This period lasted from approximately 358.9 million to 298.9 million years ago and is known for the widespread deposition of coal-forming swamps.
Period during which source of great coal deposits in West Virginia Pennsylvania Ohio and Illinois existed?
pennsylvanian period
What lived during the Pennsylvanian Period?
There are several things that lived during the Pennsylvanian Period. Giant water scorpions, eels, crocodiles, newts, salamanders, and many other things lived during this time.
What happened to the organic remains if the vast swamp forests of the pennsylvanian period?
It turned in to coal.
During what period did the insects first appear?
Silurian Period 408 - 438 Million Years Ago
Did dinosaurs roam the lands during the pennsylvanian period?
No, dinosaurs did not roam the lands during the Pennsylvanian Period. The Pennsylvanian Period occurred from approximately 323 to 298 million years ago, while dinosaurs first appeared much later in the Triassic Period, around 230 million years ago. During the Pennsylvanian Period, the dominant land animals were early amphibians and reptiles, along with a diverse array of plant life.
How did the Pennsylvanian era start?
The Pennsylvanian period began around 323 million years ago during the Carboniferous period. It is characterized by the abundant growth of ferns, amphibians, and early reptiles, leading to the formation of extensive coal swamps. The Pennsylvanian era was a time of significant environmental and evolutionary changes.
How long did the pennsylvanian period last?
The Pennsylvanian Period was from about 325 million to 280 million years ago. It is part of the Paleozoic Era. The Pennsylvanian and the Mississippian (345 to 325 MYA) are often grouped together as the Carboniferous Period.
When did the Pennsylvanian period start?
I have no clue.
What was the dominant reptile in the Pennsylvanian period?
bicth
What happened 544-245 million years ago?
The Paleozoic Era began. Development of fish amphibians, insects and reptiles. Cambrian Period Ordovician period Silurian Period. Devonian Period Mississippian Period Pennsylvanian Period Permian Period
What was volcanic activity like in the Pennsylvanian time period?
During the Pennsylvanian time period, there was a lot of volcanic activity and these constituted a lot of rock formation. Volcanic ashes also settled on the earth's surface and buried some trees.
What happened to earths continents during Permian period?
What happened to the earth's continents during permian period is pangea
