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Type your answer here... it was wet and the surface was covered with a thin layer of warm water.
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Which geologic time period was the surface bedrock of grand island formed?
The surface bedrock of Grand Island, located in the state of Michigan in the United States, was formed during the Precambrian time period. This bedrock consists primarily of ancient metamorphic and igneous rocks that date back over a billion years.
What came after the Ordovician period?
The Silurian period followed the Ordovician period.
Why were corals a dominant life-form during the silurian period?
fish
Was there any volcanoes in the Silurian Time Period?
Yes, there were volcanoes present during the Silurian Period, but they were not as widespread or active as in some other periods. Volcanic activity during the Silurian likely contributed to changes in the Earth's climate and the composition of the atmosphere.
What was the evolutionary process during Silurian?
The Silurian period started off with a mass extinction of 60% of all marine life. During the Silurian bony fishes evolved setting the stage for the Devonian, which is referred to as the "Age of the Fish".
What was the temperature like in degrees during the Silurian time period?
95 degrees
What dinosaurs were in the Silurian era?
The Silurian period spans from 443 to 419 million years ago. The earliest dinosaurs evolved 231 million years ago. That means there were no dinosaurs at all during the Silurian.
During which period did eurypterids swim the oceans and the first jawed fish and vascular plants evolve?
Silurian period
Which animals appeared for the first time during the Silurian period?
Reef-building corals
Which animals appeared for the fist time during the Silurian period?
Reef-building corals
What did the earths surface look like in the devonian time period?
During the devonian time period most of land was under water.
During what period did the insects first appear?
Silurian Period 408 - 438 Million Years Ago
