Cambrian facts
What is another name for the Cambrian period?
Ordovican period.
Who studied rock strata?
Adam Sedgwick
Which was the first period
Cambrian
where does the Cambrian period get it's name from?
It's name originated from the word Cambria, Roman for wales.
Sedgwick never accepted who's theory of evolution?
Charles darwin
What may have been a cause of the extinction of the dinosaurs?
Glaciers and cold climate
What animal fossil was the oldest to ever be discovered?
worm fosils.
Who named the silurian system, which overlapped the Cambrian system?
Scottish geologist Roderick I. Murchison
How long did the Cambrian period last.
55 million years
543 million years ago!
Who suggested that the glaciers and cold climate may have lead to the extinction of dinosaurs?
James F. Miller
How long ago was the cambrian period?
485.4 million to 443.8 million years ago
Rocks formed or deposited during this time are assigned to what system?
Cambrian system
Who set forth the Ordivican system of years?
English geologist Charles Lapworth
Why is the Cambrian period Known as the "Cambrian Explosion"
Many evolutionary changes happened on earth