Friday, June 5, 2009

Brief history of the earth 4

Silur era (440 - 410 million years ago)

Silur time period is the transition of life from water to land.
Land plants began to appear the first time including Pteridofita (nail growth). Meanwhile, a giant scorpion (Eurypterid) living in the hunt in the sea. Fish that have a jaw began to appear at the time of this and
many fish have any bones as a protective shield.
During the period Silur, mountain chain began to form across Scandinavia, Scotland, North and South America

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