Life

The Cambrian Explosion

02 Dec
202014 A.H.
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Scope: 
Life

(530 Million years ago - year 89 on the 100 year time-scale)
The first simple life forms seem to have appeared much sooner on Earth than previously assumed, actually almost as soon as the planet became stable enough, with a stable crust and enough water for some primal oceans, some 3.800 million years ago.
However it then took over 2.000 billion years for these simple creatures to evolve to more complex organisms, which suddenly thrived in what is called the Cambrian Explosion, only some 500 million years ago.

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Origins of life on earth

01 Dec
202014 A.H.
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Scope: 
Life

(3.800 Million years ago: the year 024 on the 100 year time-scale)

The emergence of life on earth is directly related and seemingly stimulated by the process itself by which the planet was formed. Even the oldest known rocks on the planet, of some 3.800 million years old, already show traces of organic impact, proving at least the existence of some form of the building blocks of life.

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Big Five Mass Extinctions Events in evolution plus the one caused by humans now

01 Dec
202014 A.H.
Undefined
Scope: 
Life

(442 Million years ago: the year 91,1 on the 100 year time-scale)

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Darwin and the evolution of life

01 Dec
202014 A.H.
Undefined
Scope: 
Life

Darwin's idea was "highly unorthodox" to the standards of the society he lived in.

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