2. Introduction
The earth exist since 4500 millions of years ago
1500 years ago apears the first individuals capable of to reproducce
but they was “pluricelulares”
600 millions ago, appears the “pluricelulares” individuals.
10 or 30 millions years latter, appears evolutionary jumps.
3. What's the life?
2 theorys:
The materialistic
The finalistic
-Demócrito
-Aristóteles
4. Biological molecules
They're the responsible of the caracteristic own of the livings:
- carbohydrates
- lipids
- proteins
- nucleic acids
7. The space althernative
Darwin said , we must admit that all the livings
descended from a single primordial form, a kind
of basic primitive bacteria.
8. Artificial life
The chemicals can not (yet) making life in the laboratory from
inert matter, but you can not pretend to simulate
experimentally in a few years or decades, what nature has
taken millions of years to make
9. It's posible the live in others
planets?
Some planets could support life. The key of this search is in
the Goldilocks zone. This is an area of the space whose
distance from teh star who allows that a planet has an
area not too cold or not too hot, enought liquid water.
